Pleaseee help :( Write a sine function that has an amplitude of 5, a midline of 4 and a period of 4.

f(x)= ???

What is the interquartile range of this data set? 2, 5, 9, 11, 18, 30, 42, 48, 55, 73, 81

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?

Do you mind if you guys me with this question i’m on number 8