Xochitl is building a triangular pen for her guinea pig. Her uncle is willing to give her some extra wood from his carpentry shop, but the boards are all different lengths. The length of each board is shown in the diagram.

Which matrix multiplication is possible?

Charlie is at an amusement park that has 18 different rides. each ride costs $1.75. the function c(r) = 1.75r represents the total amount of money that charlie will spend if he goes on r rides, but he never goes on the same one more than once. what domain and range are reasonable for the function?

Point a (7,3) is translated to a'(16,-9). which rule describes the translation?