Solve the system.
A. (-6, 5), (-5, 6)
B. (6, 5), (5, 6)
C. (-6, -5), (-5, -6)
D. (6, -5), (5, -6)
Answer: B
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Solve the problem.A triangular metal frame is being designed as shown below. Express the angle A as a function of x and evaluate dA/dx for x = 6 cm.
A. 0.04 rad/cm B. 0.6 rad/cm C. 1 rad/cm D. 0.4 rad/cm
Use the data to construct a frequency distribution.The following data represent the total number of years of formal education for 40 employees of a bank.
Construct a frequency distribution, letting each class have a width of one.
A. 
B. 
C. 
D. 
Write the exponential equation as an equation involving a logarithm.2-2 = 
A. log-2
= 2
B. log2-2 = 
C. log2
= -2
D. log1/42 = -2
Multiply.(2a - 7b)(5a + 10b)
A. 10a2 - 15ab - 70b2 B. 10a2 - 15ab - 15b2 C. 10a2 + 20ab - 70b2 D. 10a2 - 35ab - 70b2