Are two planes cut by a third plane? ___, since _ of the plane are parallel, it is _ to know if their lines of intersection are _

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?