In which interval did the car have the greatest rate of change in distance traveled?
A
10.6 to 19.3 seconds
(B) 19.3 to 27.5 seconds
©
27.5 to 40.1 seconds
D
40.1 to 68.2 seconds

Compute the standard deviation of the following set of data to the nearest whole number. 10, 10, 15, 20, 25

Huong is organizing paperback and hardback books for her club's used book sale. the number of paperbacks is 12 less than three times the number of hardbacks. huong had 162 paperbacks. how many hardback books were there?

Lian is deciding which of two gyms to join. each gym charges a monthly rate plus a one-time membership fee. lian correctly wrote and solved a system of linear equations by substitution to compare the costs of the memberships. in her work, she substituted an expression for one variable and solved for the other. this resulted in the equation 75 = 75. what can lian conclude? one gym charges $75 per month. each gym charges $75 per month both gyms charge the same monthly rate and the same membership fee. both gyms charge the same monthly rate, but not the same membership fee.