Add or subtract as indicated. Express the answer as a single polynomial in standard form.(6x4 + 8x3) + (5x4 + 4x3)
A. 11x4 + 12x3
B. 17x16
C. 11x8 + 12x6
D. 17x8
Answer: A
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Estimate the value of the quantity.The table shows the velocity of a remote controlled race car moving along a dirt path for 8 seconds. Estimate the distance traveled by the car using 8 subintervals of length 1 with left-end point values.
A. 144 in. B. 154 in. C. 159 in. D. 308 in.
Solve the equation.7.8x + 5.9 = -42.46
A. -60.16 B. -48.36 C. -7.7 D. -6.2
For the given functions f and g , find the indicated composition.f(x) = 
,g(x) = 
(f?g)(x)
A. 
B. 
C. 
D. 
Find the dimensions of the rectangle of largest area that can be inscribed in an equilateral triangle of side L = 9 cm if one side of the rectangle lies on the base of the triangle. Round your answer to the nearest tenth.
What will be an ideal response?