Multiply using the FOIL method.(x - 10y)(x + 5y)
A. x2 - 5xy - 5y2
B. x - 5xy - 50y
C. x2 - 8xy - 50y2
D. x2 - 5xy - 50y2
Answer: D
Mathematics
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Compute the product, expressing the answer in lowest terms.
× 
A. 
B. 
C. 
D. 
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Rewrite the following as a product of trigonometric functions.cos 9° - cos 33°
A. -2 cos 21° cos(-12°) B. -2 cos 21° sin(-12°) C. -2 sin 21° sin(-12°) D. -2 sin 21° cos(-12°)
Mathematics
Use the order of operations to evaluate the expression.(9 + (-7))[5 + (2 + 4)]
A. 9 B. 86 C. 13 D. 22
Mathematics
Solve the problem.The area of a triangle with base b and height h is given by the formula 
Find the area of a triangle with base 18 meters and height 2 meters.
A. 20 m2 B. 20.5 m2 C. 36 m2 D. 18 m2
Mathematics