Sarah and her family just got back from a vacation. they had been traveling for 3 days, driving 8 1/2 hours each day. how many hours altogether were they in the car?

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

An arc subtends a central angle measuring 7pi/4 radians what fraction of the circumference is this arc?

In priyas math class there are 10 boys and 15 girls. what is the ratio of boys to girls in priyas math class? express your answer as a decimal