Looks like you going to summer school
Answer:
x = 32
Step-by-step explanation:
This is an equilateral triangle. This means the angles of the triangle are all equal. Since the sum of a triangle's angles is 180°, that means each angle will be 60°.

The 4 on the left side is 10x more than the 4 on the right. This only works if the numbers are next to each other and are the same.
Let n be one side of the square wood block. Then:
n²=872
n=√872=approx. 30" per side
☺☺☺☺
Answer:
A
Step-by-step explanation:
We have the expression 
We want to find the value when k is -3. So, substitute -3 for k and evaluate:

Multiply:

Subtract:

Add:

Therefore, our answer is A.