2. On a recent field trip, students paid $15 for

each ticket. If $675 is the total cost, how many

tickets were purchased?

a. Write an equation:

b. What is the constant of proportionality?

Which function is the inverse of f (x) = 2x 3? f-1 (x) = - 2x 3f-1 (x) = 2x 3

Evaluate the function f (a) = 2a^2 + a if f (-a)

Ms. harper estimates that 125 students will attend the school dance. There was an actual total of 148 who attended the dance. Find the percent error. Round to the nearest whole percent.

30 Select the correct answer. Which statement best defines the term principal A. It is an arrangement in which you buy now and pay later. B. It is the annual rate of interest a bank charges for a loan. C.

Through (-4,-4) and (-3,-5)

A cylinder has a base area of 44.6 mm^2 and a height of 24mm what is the volume of the cylinder?

Simplify by combining like terms - 5x-13+7y+26x

A set of middle school student heights are normally distributed with a mean of 150 centimeters and a standard deviation of 20 centimeters. Uma is a middle school student with a height of 165 centimeters.

A parking garage has 6 levels. Each level has 15 rows. Each row has the same number as parking spaces. There are 2,250 parking spaces in all. How many parking spaces are in each row?

When a photo is reduced or enlarged its length to width radio usually remains the same. Aurelia wants to enlarge a 4-inch by 6-inch photo so that it has a wider of 15 inches. Use a ratio table to determine the new length of the photo.