Johnny is planting two gardens in his backyard. Use the two diagrams below to help answer the equations about the gardens. A: Write an expression to represent the amount of fencing needed for the triangle garden. (+2 points)

B: Write an expression to represent the amount of fencing needed for the rectangle garden. (+2 points)

C: Write an expression that represents the total amount of fencing needed for both gardens. (+4 points)

D: Johnny forgot that he is putting the triangle garden up against his garage. What is the new expression for the amount of total fencing needed? (+2 points)

Bonus 1 (+2 bonus points):
Calculate the area of the rectangle garden and state the expression.

Bonus 2 (+3 bonus points):
If Johnny has a square table in his garden where plants cannot grow that has a length of 3f - 7, write an expression that determines the area of space that Johnny has in the garden where the plants will grow.

At the beginning of the day, stock xyz opened at $6.12. at the end of the day, it closed at $6.88. what is the rate of change of stock xyz? a. 1.17% b. 11.0% c. 12.4% d. 81.5%

Ascientist studied a population of workers to determine whether verbal praise and/or tangible rewards affect employee productivity. in the study, some workers were offered verbal praise, some were offered tangible rewards (gift cards, presents, and some were offered neither. the productivity of each participant was measured throughout the study by recording the number of daily tasks completed by each employee. which inference might the scientists make based on the given information? a.) the number of daily tasks completed by each employee may influence the dependent variable, which is whether the employee receives verbal praise, tangible rewards, or neither. b.) verbal praise and/or tangible rewards may influence the independent variable, which is the number of daily tasks completed by each employee. c.) verbal praise and/or tangible rewards may influence the dependent variable, which is the number of daily tasks completed by each employee. d.) the dependent variables, which are verbal praise and tangible rewards, may influence the number of daily tasks completed by each employee.

The students at jefferson middle school are raising money for a charity by selling t-shirts and hats. the number of t-shirts sold was 3 times the number of hats. the profit was $5 for each t-shirt sold and $2.50 for each hat sold. the students raised $840 for the charity. they used the system below to analyze their success and found the solution to be (144, 48). 5x+2.50y=840 x=3y how much did they earn from t-shirt sales?