Alondra buys 4 slices of cheese pizza for $5.00. jackie buys 4 slices of pepperoni pizza for $5.85. why did jackie pay more?

X+ y = 5 ; x - y =3 solve using linear combination

In the figure below, triangle rpq is similar to triangle rts. what is the distance between p and q? a. 24 b. 42 c.50 d. 54

At noon a tank contained 10cm water. after several hours it contained 7cm of water. what is the percent decrease of water in the tank?