Which two equations relate the measure of ∠4 to the measures of ∠1, ∠2, and/or ∠3.

Simplify the expression 10/11(22z) + (a+5) -1

The volume of gas a balloon can hold varies directly as the cube of its radius. imagine a balloon with a radius of 3 inches can hold 81 cubic inches of gas. how many cubic inches of gas must be released to reduce the radius down to 2 inches?

1. find the area of the unshaded square 2. find the area of the large square 3. what is the area of the frame represented by the shaded region show