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.

Mr. Wilson has 2,500$ in his savings account and m dollars in his checking account. Write an expression that describes the total account that he has in both accounts

Total for $650 bike with 4% tax.

A well-mixed cookie dough will produce cookies with a mean of 66 chocolate chips apiece. What is the probability of getting a cookie with at least 55 chips? Round your answer to four decimal places.

Simplify (-3ab^2) ^3

Write the equation in slope intercept for m=4 b=-1

Kamal has big feet. Kamal's mom says she wouldn't be surprised if he grew to be 7 feet tall! Kamal's new shoes came in a box that measures 16 inches by 9 inches by 6 inches. What is the volume of the shoebox?

Five times the sum of the digits of a two-digit number is 13 less than the original number. If you reverse the digits in the two-digit number, four times the sum of its two digits is 21 less than the reversed two-digit number.

Divide give the quotient and remainder 295 dived by 3

Abby baked 48 dinner rolls and divided them evenly into bags. Let b represent the number of bags. Write an algebraic expression to represent the number of dinner rolls in each bag.

Find an equation of the line which is parallel to the line 4y=8x-5 and passing through (1,-3).