A used electronics store pays $40 for each cell phone, spends $25 refurbishing the phone, and sells the refurbished phone to a customer for $100.

Roger made 8 1/2 quarts of hot chocolate. Each mug holds 1/2 of a quart. How many mugs will Roger be able to fill?

Does y=0.8 (2.1) ^x represent exponential growth or decay?

How to rewrite logarithm

Jerry Jones has overdrawn his account by $15. There is $10 service charge for an overdrawn account. If he deposits $60. What is his new balance

What is the equation of the line that is perpendicular to y-3x=2 and that passes through (6,1) ?

Dose a triangle have a perpedicular lines, parallel lines, and intersecting lines

The histogram represents the distributions of essay scores for high school sophomores and juniors in a contest. Which statements are true about the data used to create the histogram? Select three options.

What is the gcf of 7x^2, 7x and - 28

A soccer player kicks the ball to a height of 1 meter inside the goal. The equation for the height, h, of the ball at time, t, is h=-4.9t^2-5t+2. Find the time the ball reached the goal.

Bowl contains 8 red balls, and 7 blue balls, and you draw 4 balls. In how many ways can the selection be made so that at least one of each color is draw?