What does concave mean

Which line is parallel to the line y=x+7

Solve v^2=64 where v is a real number. simplify your answer as much as possible.

In Δ ABC, the sum of the measures of ∠A and ∠B is 47°. what is the measure of ∠C?

Chuanxi planned a rectangular sidewalk with a length of 21 ft. He made a scale drawing using a scale factor of 1 in. = 7 ft. He decided to change the length of the actual sidewalk to 27 ft. If the scale drawing still has a length of 3 in.

Nick has a square sheet of paper 15 centimeters on a side. He folds the paper along the diagonal and makes a 45degree - 45 degree - 90degree triangle. Find the length of the hypotenuse of this triangle

What can you tell about the rate of the two reactions shown in the graph? A. They occurred at the same rate. B. One reaction started before the other. C. They occurred at different rates. D. One reaction prevented the other from taking place.

Barbara deposited $300 in the bank. If the bank pays her simple interest at the rate of 4 percent per year, how much money will she have in her account at the end of 9 months?

Which simplified fraction represents 0.45

9/14 as a recurring decimal

The wage paid for each hour worked is called? straight time. overtime. hourly wage. weekly salary.