What evidence is there that a chemical reaction is taking place in the cold pack? A)
change in odor
B)
change in color
0)
formation of gas
D)
temperature change

After being rearranged and simplified, which of the following equations could be solved using the quadratic formula? check all that apply. a. 9% + 3x2 = 14 + x-1 b. -x+ + 4x + 7 = -32-9 c. 5x + 4 = 3x4 - 2 d. 2x2 + x2 + x = 30

The base of a triangle exceeds the height by 9 inches. if the area is 180 square inches, find the length of the base and the height of the triangle.

Measure of angles 31 (x+4) (3x+9) me