The costs of 2 sound systems were decreased by $10. The original costs of the systems were $90 and $60. Without calculating, which had a greater percent of decrease? Explain.

Complete the table to find the mean Data | Mean | Difference | Positive value 68 69 72 72 72 72 73 74 75 75

21) on the first day of his cross-country trip, mike drove 100 miles in 2 hours before stopping for lunch. After lunch, he drove 420 miles in 6 hours. What was average speed in miles per hour for his 8 hours of driving?

If $7500 is invested at an interest rate of 5% each year, what is the value of the investment in 4 years? Write an exponential function and solve.

What is 0.8 in word form

What is the mean of the data set? 3 11 7 5 14 8 9 11 10

A carpenter is making a circular table top with circumference 4.5 what is the radius of the table top in centmetres

A town's population has been growing linearly. In 2003 the population was 29,000. The population has been growing by 700 people each year. Write an equation for the population, P, x x years after 2003

What are the lengths of a right triangle in which one acute angle measures 19 degrees and the hypotnuse is 15 units long

Jared used 1 2/5 bags of solo for a garden. He is digging another garden that will need 1/5 as much soil as the original. How much will he use total?

Use the percent of change to find the new amount 120 pounds decreased by 30%