What is the sum of 12/13 + (-1/13

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.