sam can mow his yard in 5 hours. Lucy can mow the same yard in 3.5 hours. How long will it take them to mow the lawn together?

Take apart an addend to solve 35+27

Three times one number minus a second is 8, and the sum of the numbers is 12. which system of equations could be used to find the two numbers?

40 + 8x = 90 + 11x Answer as a fraction

Luke is 5 feet tall. How many inchy tall is luke

A parachutists rate during a free fall reaches 153 miles per hour. What is this rate in feet per second? At this rate, how many will the parachutists fall during 15 seconds of free fall

Tracey pays $8.50 of her monthly life insurance premium, and her employer covers the rest. If her monthly premium is $32.25, what is the annual value to Tracey of this benefit

Which expression shows 28 + 35 as the product of their greatest common factor and the sum of two whole numbers with no common factor? A. 7 (6 + 3) B. 9 (4 + 3) C. 7 (4 + 5) D. 9 (2 + 5)

You flip a coin three times. a. what is the probability of getting heads on only one of your flips? b. what is the probability of getting heads on at least one flip?

woodland middle school $1,710 on calculators for the 180 students in the school. What is the rate spent per calculator?

Aliyah had some candy to give to her four children. She first took ten pieces for herself and then evenly divided the rest among her children. Each child received two pieces. How many pieces did she start with?