Given that the circumference is 15.7 meters, find

the area of the circle. Round your answer to the

nearest tenth. Use 3.14 for pi.

193.5

2.5

6.3

19.6

How menny feet this is

The open intervals on which f is concave upward. (enter your answer using interval notation.

The following dot plot shows the height of each toddler at Ms. Cabrera's daycare. Each dot represents a different toddler. A dot plot has a horizontal axis labeled, Height, in centimeters, marked from 80 to 86, in increments of 1.

John earns $13.35 each hour. He worked for 25.81 hours. About how much did john earn

What is the x-intercept for the line with the equation 4x + 2y = 20?

1. z^2 = 1 √{ } = √{ } z = ± { } The solutions are { } and { }

What is the rate for 171 And 3

At the start of the summer, you have $603.15 in the bank. You make deposits of $90.89 in June, $106.03 in July, and $70.04 in August. At the end of the summer, how much money do you have in the bank?

A plane traveling from phoenix to san Francisco with a tailwind of 35 miles per hour takes 2.5 hours. returning with the headwind it takes the same plane 2 hours and 45 minutes. what is the average speed of the plane in calm conditions?

Mildred bought 2-cent stamps, 4-cent stamps, and 5-cent stamps for $4.35. The number of 2-cent stamps exceeded the number of 5 cent stamps by 50. The number of 4-cent stamps was 10 less than twice the number of 5-cent stamps.