Simplify the expression. Write the result using positive exponents only.
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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For f(x) = A sin 
+ D,identify either A, B, C, or D as indicated for the sine function.y = -2 sin 
Find A.
A. 2? B. -4 C. - 2 D. 1
Mathematics
Determine if the proportion is true or false.
= 
A. False B. True
Mathematics
Simplify.-2(x-5y-1)-4
A. 
B. 
C. (-2)4x20y4
D. -2x20y4
Mathematics
Solve the problem.The perimeter of a triangle is 46 cm. The triangle is isosceles now, but if its base were lengthened by 7 cm and each leg were shortened by 7 cm, it would be equilateral. Find the base of the original triangle.
A. 13 cm B. 6 cm C. 20 cm D. 5 cm
Mathematics