** When Maura does 17 push-ups and 13 sit-ups, it takes a total of 56 seconds. In comparison, she needs 70 seconds to do 16 push-ups and 18 sit-ups. How long does it take Maura to do each kind of exercise?

It takes Maura seconds to do a push-up and seconds to do a sit-up.

50 seconds and 80 seconds

Step-by-step explanation:

answer: the first one

step-by-step explanation: use a calculator and divide the minutes by the dollars.

f(x) is the value of the function. b is the value of the function when x equals zero or the y-coordinate of the point where the line crosses the y-axis in the coordinate plane.

step-by-step explanation:

hope this !