use a^2+b^2=c^2
8^2+4^2 12^2
64+8 144
=72
72<144
so no
Answer:
After sales tax is applied, the camera will cost $816.12! The sales tax will be $55.17.
Yes
X×x =x^2
X×4and5=9x
5×4=20
D. 3x² + 19x - 14
Step-by-step explanation:
Use FOIL to find the answer.
First: x * 3x = 3x²
Outer: -2 * x = -2x
Inner: 3x * 7 = 21x
Last: 7 * -2 = -14
Form the equation:
3x² - 2x + 21x - 14
Combine like terms.
3x² + 19x - 14