Solve the problem.y varies jointly as a and b and inversely as the square root of c. y = 18 when a = 2, b = 9, and 
Find y when a = 6, b = 7, and c = 25.
A. 6.72
B. 8.4
C. 840
D. 33.6
Answer: D
Mathematics
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Find the indicated term of the arithmetic sequence.3.49, 3.79, 4.09, . . . ;11th term
A. 6.79 B. 7.69 C. 6.49 D. 7.09
Mathematics
Simplify. Assume that no denominator is zero.x-9 ? x3 ? x-8
A. 
B. 
C. x20
D. x14
Mathematics
Perform the division.(x2 - 7x + 10) ÷ (x - 2)
A. x2 - 7 B. x - 7 C. x2 - 5 D. x - 5
Mathematics
Factor completely. If the polynomial cannot be factored, write prime.u2 - 10u + 21
A. (u - 7)(u + 3) B. (u - 7)(u - 3) C. (u + 7)(u - 3) D. (u + 7)(u + 3)
Mathematics