Jessica spent 2/5 of her money going to the movies. Then she babysat her brother and earned fifteen more dollars. If she ended up with thirty dollars, how much money did she start with

How to determine whether two known pairs of points are on the same line.

Martin likes to make flower bouquets that have 3 daffodils and 4 tulips per vase. a daffodil has a mass of d grams, a tulip has a mass of t grams, and the vase has a mass of u grams. the expression 5(3d + 4t + v) describes the mass of 5 bouquets. match each amount in the situation with the expression that represents it. situation expression number of bouquets mass of one bouquet mass of the tulips in one bouquet 4t mass of the daffodils in one bouquet 3d + 4t + v

In the rectangle below ac=30 units what is de