Answer:
16.) c. 2x²+7x-15
17.) c. 
18.) D
Step-by-step explanation:
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Multiply 40x7 then subtract that total you got from multiplying 40x7 with 420
40x7=160
420-160=260
260 pieces of wood were left.
Well there’s 180° in one triangle. a right angle is 90°. 2x+3x+90=180. 5x=90 divide by five, x=18°
Henry would be able to write 14 pages of a novel in 8 hours.
5 1/4(or 5.25)/3=1 3/4 (or 1.75)
1 3/4 x 8 =14
Hope This Helps!
~Cupcake
Answer:
the answer is the first choice please mark me brainliest