Hello!

To find the percent tax, use the equation:

Substitute in the given values:

Multiply by 100 to find the percent tax:

Answer:
Step-by-step explanation:
<u>8 to the 3 power is</u>
Answer:
<u>Answer</u><u>:</u><u> </u><u>D</u>

• first factorise out 10:

• then find factors of the quadratic equation in the bracket:
Each side should increase by 2x (left & right, and up & down) so that to match the condition :
7+2x)(6+2x) = 45
Solving it will give you: 4x² + 26x - 3