It's a. 3.
because
3+6x=21
6x=18
x=3.
Answer:
16x+29
Step-by-step explanation:
-5(2x-3) x 2+4x-1
-10(2x-3) + 4x-1
-20x + 30+4x -1
Answer:
200
Step-by-step explanation:
1/4 would be 25 percent and 50 times 4 would be 200
Answer:
To find the diagonal of a rectangle formula, you can divide a rectangle into two congruent right triangles, i.e., triangles with one angle of 90°.
If x = -4
f(x) = (-4)^2 = 16
if x = 4
f(x) = √4 = 2
hope it helps