Emma wants to use the distributive property to solve this equation.
5(x – 2) = 30
her follow these steps to finish solving for x.
1. distributive property: 5x – 10 = 30
2. addition property of equality:     5x = 40
3. division property of equality: x =

An automated water dispenser fills packets with one liter of water on average, with a standard deviation of 5 milliliter. the manual says that after a year of operation the dispenser should be tested to see if it needs recalibration. a year later a number of filled packets are set aside and measured separately. it is found that the average packet now contains about 0.995 liters. does the dispenser need calibration? explain your answer.

What is the solution of log2  (3x  -  7)  =  3? 4 5

Charlie is at an amusement park that has 18 different rides. each ride costs $1.75. the function c(r) = 1.75r represents the total amount of money that charlie will spend if he goes on r rides, but he never goes on the same one more than once. what domain and range are reasonable for the function?