What percent is equivalent to the fraction 4/5?

Scott went snowboarding down a mountain. The trail was 2 miles long and took him 5 minutes to complete. What was Scott's speed in miles per hour?

What is the value of y in the following system y = 3x-5 6x+3y=15

When given an algebraic expression involving subtraction, why is it best to rewrite the expression using addition before identifying the terms

What is the numerator of the simplified expression? 5k/6 times 3/2k^3

The cost to manufacture a calculator is represented by the expression x 4 + 5, where x is the number of calculators. Find the cost of manufacturing 8 calculators.

1) There are 80 grams of salt in a 32% solution. Find the weight of the solution 2) how much water should be evaporated from a 300 grams of a 20% salt solution to get a 25% salt solution 3) salt was mixed with pure water in a 1:3 proportion.

Use the binomial series series to expand the function as a power series. 3 / ((6+x) ^3)

There are 5 water birds swimming in a pond. If there are 3 ducks and 2 geese at the pond, what fraction of the birds are geese?

16a-24=8 (2a-3) how do I solve this

Mr. Anson bought 3 student tickets that each cost the same amount and an adult ticket that cost $12. In all, Mr. Anson spent more than $36. Which represents the cost of each student ticket?