For how many different integers is the square of the integer less than 144?

23 integers.

Step-by-step explanation:

First find the square roots of 144, which are 12 and -12.

So now you know that the square of any integer less than 12 and greater than -12 would be less than 144.

That includes:

0, ±1, ±2, ±3, ±4, ±5, ±6, ±7, ±8, ±9, ±10, ±11

Which would be 23 integers, including zero.

P.S. THE OTHER ANSWER FORGOT ABOUT NEGATIVES LOL

the answer is b.

step-by-step explanation:

by the trigonometric ratio tangent, tangent equals opposite divided by adjacent.

therefore, tan(50) equals ac/3

multiply each side by 3 to get: ac=3tan(50)

the answer is b.

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step-by-step explanation: