Abby is having a bake sale to raise money to buy a new bike her goal is 350$ . Each goodie is 2.50 . She has to pay her mom 50$ she borrowed to make goodies. How many goodies does she need to sell to reach her goal to pay back her mom ? Whats the expression?

Pls yall i really need the answer fr fr

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.

Which graph of a hyperbola represents the equation 16x^2-y^2=16