Diego is solving the equation x2 – 12x = 21 Which value must be added to both sides of the equation to make the left side a perfect -square trinomial?

A

36

B

32

с

144

D

4

Atriangle has side lengths of 15 inches and 30 inches. it also has angles that measure 45º and 20º. which of the following identifies the possible third angle of the triangle? a. 15 in., 65º b. 45 in., 65º c. 17 in., 115º d. 14 in., 115º

Wich statement could be used to explain why the function h(x)= x^3 has an inverse relation that is also a function

In the sixth grade 13 out of 20 students have a dog if there are 152 sixth grade students how many of them have a dog