What is the answer to this equation 1/2 ()4+8 ()=-40

Consider the diagram. which line segment has the same measure as st? rx tx sr xs

What is the binomial expansion of (2x-3)^5

Arectangular garden is 5 feet long and 3 feet wide. a second rectangular garden has dimensions that are double the dimensions of the first garden. what is the percent of change in perimeter from the first garden to the second garden?