The area of a rectangular school yard is given by the equation x^2 + 19x + 90 as measured in square yards. The teacher wants you to run the length. How far will you run if x = 30?

The tiles below are pieces of a normal ecg tracing representing a little less than two heartbeats at a resting rate of 80 bpm. arrange the tiles in their correct order. rank from first to last. do not overlap any tiles.

Divide. –4.2 ÷ 6 = a –0.7 b 0.7 c –7 d 7 me

Select the correct answer what is the 10th term of the geometric sequence 3,6, 12, 24,48 a. 512 b. 3,072 c. 768 d. 1,536