Matthew and Ava have some money in the ratio 5:2. If Matthew gives $78 to Ava they will have the same amount of money. How much money do they have altogether?

Which equation represents a line that is parallel to the line whose equation is 3x-2y=7( show all work)

Olive's solar powered scooter travels at a rate of 30 miles per hour. what equation can she use to calculate her distance with relation to the time she traveled? h=hours m=miles 1. h=m+30 2. m=30h 3. m=h+30 4. h=30m

Events a and b are independent. the probability of a occurring is 2/5. the probability of b occurring is 1/4. what is p(a and b)?