Solve the equation.8x2 + 7x = -2
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Solve the problem. Use 3.14 as the approximate value of ?. Round to the nearest hundredth if necessary.A certain marine engine has cylinders that are 3.54 cm in diameter and 4.60 cm deep. Find the total volume of 8 cylinders.
A. 818.11 cm3 B. 362.01 cm3 C. 45.25 cm3 D. 724.03 cm3
Mathematics
Solve.6r + 10 = 52
A. 40 B. 36 C. 7 D. 1
Mathematics
Use the square root property to solve the equation.x2 = 169
A. {-13, 13} B. {84.5} C. {13} D. {-14, 14}
Mathematics
Solve.
= -6.7
A. {-6.7} B. {6.7} C. ? D. {4489}
Mathematics