What is The Estimated value of the expression

83 * (424 - 276) + 18 by rounding each value to the

nearest ten.

Simplify - (9w^3+3z+4) - 2 (-7z-5w^3)

Is 0.3 great than or less than 0.39

Contestants in a dance marathon rest for the same amount of time every hour. a couple rests for 27 minutes in 6 hours. how long does the couple rest in 8 hours? Show your work.

A flower pots base has six sides that are all the same length. Each side measures x - 6 units. The bases perimeter is 78 units. What is the value of x? Enter your answer in the Box.

Eight more that a number is greater than or equal to ten in a equation or inequality

An object that weighs 1 pound on earth weighs only 0.17 pounds on the moon. Zach's dog weighs 17 1/2 pounds on earth. How much more does his dog weigh on earth than on the moon?

GCF using monomials 63p and 84

Put 1.64 in a percentage

Find the percent of change from 10 yards to 13 yards

What is the domain of the function y=2sqrtx-6?