A college student has two different jobs. Her combined work schedule consist of no more than 48 hours in one week.
Which graph best represents the solution set for all possible
combinations of x, the number of hours she worked at her first job, and
y, the number of hours she worked at her second job, in one week?

The administrator of a large assisted living facility wanted to know the average age of the residents living at the facility. he randomly selected 12 residents and determined their age, listed here: 80, 65, 75, 83, 68, 73, 88, 79, 94, 72, 79, 68 what's the average age of the sample of residents? a. 79 years old b. 68 years old c. 75 years old d. 77 years old

Sketch one cycle if the cosine function y=2cos2theta

Sam opened a money-market account that pays 3% simple interest. he started the account with $7,000 and made no further deposits. when he closed the account, he had earned $420 in interest. how long did he keep his account open?