20% of $175 is $35. Divided between 5 people (35/5=7) would be 7. So each person should tip $7.
Answer: 8x³ + 12x² - 16x - 16
<u>Step-by-step explanation:</u>
(4x² - 2x - 4)(2x + 4)
= (2x + 4)(4x² - 2x - 4)
= 2x(4x² - 2x - 4) + 4(4x² - 2x - 4)
= 8x³ - 4x² - 8x + 16x² - 8x - 16
= 8x³ + (-4x² + 16x²) + (-8x - 8x) - 16
= 8x³ + 12x² - 16x - 16
12 is the square root of 144.
~Silver
<h3><u>To find value of x</u></h3>
<u>Formula applied:</u>
Exterior angle=Sum of interior angles
Answer:
- x=<u>1</u><u>1</u><u>1</u><u>⁰</u><u>✔</u>
<h3 />
<h3><u>To find value of z:</u></h3>
<u>Formula applied:</u>
Exterior angle=Sum of interior angles
Answer:
- z⁰=<u>76</u><u>⁰</u><u>✔</u>
<h3><u>To find value of y:</u></h3>
<u>Formula</u><u> </u><u>used:</u>
Sum of angles of a triangle =180⁰
Answer: