Calculate the product.(10)(-2)
A. -20
B. -12
C. 12
D. 20
Answer: A
Mathematics
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Solve the equation.n2 - 196 = 0
A. {14} B. {0, 14} C. {-14, 14} D. {-14}
Mathematics
Solve.The sum of two numbers is 35 while there difference is 15. Find the two numbers using system of equations.
A. 12 and 23 B. 17 and 18 C. 35 and 20 D. 25 and 10
Mathematics
Find the exact value under the given conditions.sin ? = 
, 0 < ? < 
; cos ? = 
, 0 < ? < 
Find cos (? + ?).
A. 
B. 
C. 
D. 
Mathematics
Use the distributive property to find the product.(x - 9y)(x + 3y)
A. x - 6xy - 27y B. x2 - 6xy - 27y2 C. x2 - 9xy - 27y2 D. x2 - 6xy - 6y2
Mathematics