Solve the problem.The area of a parallelogram with sides a and b and the included angle ? can be found using the formula 
Determine the angle between the two sides if A = 37.5 in.2, a = 9.42 in., and b = 6.14 in.
A. 0.604 rad
B. 0.011 rad
C. 0.648 rad
D. 0.705 rad
Answer: D
Mathematics
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Use your knowledge of multiplying signed numbers along with the techniques of multiplying decimals to find the product.- 12.7 × (-0.01)
A. 0.127 B. 0.0127 C. -0.127 D. -0.0127
Mathematics
Solve the system by the substitution method. If there is no solution or an infinite number of solutions, so state. Use set notation to express the solution set.
A. no solution; ? B. {(8, 0)} C. {(-8, -1)} D. {(9, 8)}
Mathematics
Solve the problem.It costs $29 per hour plus a flat fee of $17 for a plumber to make a house call. What is an equation of the form 
for this situation?
A. y = 29x B. y = 17x C. y = 17x + 29 D. y = 29x + 17
Mathematics
Solve using substitution:
Mathematics