Lizette's math test grades are 70, 72, and 68. if she scores 100 on her next test, what will happen to the range of her scores? a) it will double. b) it will stay the same. c) it will increase 6 times. d) it will increase 8 times.

8litres of paint can cover 129.6 m². how much paint is required to paint an area of 243m²?

Answer asap and if you do you will get brainliest. catherine buys a gallon of ice cream from the store. after taking it home, she eats a fifth of a gallon of ice cream. her sister eats some of the ice cream as well. if two-thirds of the original amount of ice cream is left, then what fraction of a gallon of ice cream did her sister eat?

What is the squate root of r^64 needa r^4 b r^8 c r^16 d r^32