Find the exact value of the expression.sin 20° cos 100° + cos 20° sin 100°
A. 
B. 
C. - 
D. - 
Answer: B
Mathematics
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Plot the point having the given polar coordinates.(4, 225°)
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.In order to purchase a home, a family borrows 
at an annual interest rate of 6.35%, to be paid back over a 
period in equal monthly payments. What is their monthly payment?
A. $552.58 B. $19.84 C. $396.88 D. $608.71
Mathematics
Factor.x2 + 3xy - 10y2
A. (x - 5y)(x + y) B. (x + 5y)(x - 2y) C. (x - y)(x + 2y) D. (x - 5y)(x + 2y)
Mathematics
Write the percent as a decimal.100%
A. 0.01 B. 1 C. 0.1 D. 100
Mathematics