The circular pool raft has a diameter of 90 cm. If the inner circle has a radius of 18 cm, what is the area of the float? PLS HELP

Sheila wants to bake six muffins but the recipe is for 12 muffins . this means you only need half of the ingredients listed how much of the of each ingredient does she need? one cup and banana chips ,7 tablespoons oil , two eggs, 3/4 cups flour 1/4 cup walnuts show all you work and justify your answer using a baby toulmin.

Aswimming pool had 2.5 million liters of water in it. some water evaporated, and then the pool only had 22 million liters of water in it. what percent of the water evaporated?

Which inequality is equivalent to -3x < -12? x < 4 , x < -4 , x > 4, x > -4