Charlie saves $21.45 each month for 6 months. in the seventh month, he only saves $10.60.how much money will charlie have after 7 months?

Diana is painting statues she has 7/8 of a liter of paint each statue requires 1/20 of a liter of paint how many statues can she paint?

Iwant to know what 3g+5h+4g-2h is my teacher is too selfish to tell us

Astuntman jumping off a 20-m-high building is modeled by the equation h=20-5t^2, where t is the same in seconds. a high-speed camera is ready to film him between 15m and 10m above the ground. for which interval of time should the camera film him?