Solve the problem.A race car driver's speed is clocked at 140.399 mph at the end of her first lap, and at 165.743 mph at the end of the next lap. How much faster was she driving at the end of the second lap than at the end of the first?
A. 25.444 mph
B. 25.354 mph
C. 25.344 mph
D. 24.344 mph
Answer: C
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Find the volume of the indicated region.the tetrahedron cut off from the first octant by the plane 
A. 48 B. 96 C. 64 D. 32
Find the volume of the figure.Use 3.14 for ?. Round your answer to the nearest thousandth if necessary.
radius = 3.0 cm
A. 113.04 cm3 B. 904.32 cm3 C. 63.585 cm3 D. 37.68 cm3
Solve the problem. Round to the nearest cent as needed.You have decided to buy a new stereo system for $2,500 and agreed to pay in 30 equal quarterly payments at 1.25% interest per quarter on the unpaid balance. How much are your payments?
Fill in the blank(s) with the appropriate word(s).
Write two equivalent expressions for the opposite of the polynomial.3x3 - 2x2 - x + 7
A. -(3x3 - 2x2 - x + 7), -3x3 + 2x2 + x - 7 B. -(3x3 - 2x2 - x + 7), -3x3 - 2x2 - x + 7 C. (-3x3 - 2x2 - x + 7), -3x3 - 2x2 - x + 7 D. None of these