Find the least common denominator for the expression.
- 
A. (x + 8)(x + 2)
B. x + 2
C. (10x + 4)(8x - 10)
D. x + 8
Answer: A
Mathematics
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Determine the ratio and write it in lowest terms.105 cm to 60 cm
A. 
B. 
C. 
D. 
Mathematics
Solve for x.
= 
A. 48 B. 4 C. 28 D. 336
Mathematics
The augmented matrix is in row-echelon form and represents a system of linear equations. Solve the system using backward substitution.
Write the solution as an ordered pair, if possible.
A. (5, 4) B. No solution C. (6, 6) D. (7, 6)
Mathematics
Find the product.-7x3(7x7 + 3x5)
A. -49x10 + 3x5 B. -70x10 - 70x8 C. -70x3 D. -49x10 - 21x8
Mathematics