Determine whether the given ordered pair is a solution of the given equation.5x + 2y - 21 = 0; (3, 3)
A. Yes
B. No
Answer: A
Mathematics
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Multiply.(2
+ 5)2
A. 53 - 20
B. 33 + 20
C. 53 + 20
D. 3 + 20
Mathematics
Multiply the polynomials.(x + 1)(x - 1)(5x - 8)
A. 5x3 - 18x2 + 21x - 8 B. 5x3 - 8x2 - 5x + 8 C. 5x3 + 2x2 - 11x - 8 D. 5x3 - 8x2 + 5x - 8
Mathematics
Assume that x, y, z and b are positive numbers. Use the properties of logarithms to write the expression 
in terms of the logarithms of x, y, and z.
What will be an ideal response?
Mathematics
A cylindrical cooling sleeve for a beverage is filled with liquid for freezing. The sleeve is 1 cm thick; the inner radius of the sleeve is 4 cm, the outer radius of the sleeve is 5 cm and the height of the sleeve is 10 cm. How much liquid is needed? Give the exact answer.
Mathematics