<h2>
Answer: 2x³ - 3x² + 7x + 8</h2>
Step-by-step explanation:
Sum = 4x³ - 3x² + 3x + 8 + (6x³ - 7x² + 4x) + (-8x³ + 7x²) <em>[write the terms as given by the quetion and group like terms]</em>
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⇒ Sum = (4x³ + 6x³ - 8x³) + (- 3x² - 7x² + 7x²) + ( 3x + 4x) + 8 <em> [complete the addition of like terms]</em>
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∴ sum = 2x³ - 3x² + 7x + 8
There are 5280 feet in a mile.
5280/33 = 160
Each post is spaced 160 feet.
Answer:
0)2.50 2)5.00 4)10.00 6)15.00
Step-by-step explanation:
I believe it should be 216
Answer:
-17
Step-by-step explanation:
plug in x and y
10(-1)-3+2(-1)(2)
10(-1)= -10
2(-1)(2)= -4
-10-3-4
10+3+4= 17
don't forget the negative -17