Simplify the expression.
- 
A. 15
B. 33
C. -21
D. -3
Answer: D
Mathematics
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Solve by the substitution method.5x + 5y = 49y = 10 + 2x
A. 
B. 
C. 
D. 
Mathematics
Use a formula to solve the problem.What is the perimeter of a rectangle of length 50 ft and width 11 ft?
A. 111 ft B. 244 ft C. 61 ft D. 122 ft
Mathematics
Solve the equation by the square root property.(x - 14)2 = 81
A. {23} B. {-5, -23} C. {-67} D. {5, 23}
Mathematics
Use values from the compound interest table to find the compound amount. Round to the nearest cent.
$1530 at 8% compounded annually for 19 years
A. $3855.60 B. $6603.02 C. $6113.91 D. $3733.20
Mathematics