**Answer:**

72

**Step-by-step explanation:**

x2=144

x=144/2

x=72

The answer is a equals 6.

**Answer:**

f(-3)=3

**Step-by-step explanation:**

Plug in -3 for x.

f(-3)=-4(-3)-8

f(-3)=12-8

f(-3)=3

Hope this helps!

If not, I am sorry.

You take turns plugging in each number for your answers. I’ll list them below.

6(0) - (0)2 = 0

6(1) - (1)2 = 4

6(2) - (2)2 = 8

6(3) - (3)2 = 12

6(4) - (4)2 = 16

6(5) - (5)2 = 20

6(6) - (6)2 = 24

The pattern I’ve noticed is every time you increase the value from the previous meaning for x, the solution increases by 4. I hope this helps and let me know if I’m right.

**Answer:**

100° and 80°

**Step-by-step explanation:**

Ratio means they are sort of multiples of a certain number (which I used X) and A is 5 times X and B is 4 times X. Since they are supplementary they sum 180°. After summing up both angles and equaling them to 180°, solve for X and substitute in the original equations