Which of the following are square roots of the number below? Check all that apply.
196
A. -14
B. 196^1/2
C. 14
D. 98
E. 7
F. -196^1/2

The length of a shadow of the building is 36m. the length of the pole, which is perpendicular to the ground, is 1.9m. the length of the pole's shadow is 1.52m. what is the height of the building?

Are the corresponding angles congruent? explain why or why not.

Suppose that sahil knows that 45 people with ages of 18 to 29 voted. without using a calculator, he quickly says then 135 people with ages of 30to 49 voted. is he correct? how might sohil have come up with his answer so quickly?