R+2r=105 what is answer

The earlier year in calculating percent change

A scientist was interested in studying if students political beliefs change as they go through college. Two hundred randomly selected students were asked before they entered college if they would consider themselves liberal or conservative.

How do you solve for the GCF

Area parallelogram if the height is 18 and base 9 1/4

The problem is kamala had 5,026 grams flour in a canister. she brought a 4,158 gram bag of flour. she poured some flour from the bag to the canister.

Simplify the expression below. -5 (2x - 1) + 3x

Are all cubes congruent

Find the normal form of the equation of the plane that passes through p = (0, - 4, 5) and is parallel to the plane with general equation 3x - y + 5z = 3.

Five times a number x minus 9 is two thirds of a number y. What is the equation?

The maximum weight an airline allows for a suitcase is 50 pounds. Ella's suitcase weighs 8 pounds empty. If Ella meets the requirements, what could be the weight of the contents of her suitcase?