4 What is the equation for the trend line passing through the scatter plot below using data points (10, 10) (20, 40)?

y = 3x + 20

y = -3x - 20

y = 3x - 20

y = -3x + 20

The perimeter of a stage is 116 feet. it is 17 feet wide. how long is it?

Find the number of real number solutions for the equation. x2 + 5x + 7 = 0 0 cannot be determined 1 2

Frank has a devised a formula for his catering business that calculates the number of meatballs he needs to prepare. the formula is m=4a+2c, where c=number of children; m=number of meatballs; a=number of adults. how many meatballs are required for a party of 10 adults and 5 children?