Find the least common multiple (LCM) of the pair of numbers.4 and 12
A. 4
B. 48
C. 12
D. 16
Answer: C
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Write the rational expression in simplest form.
?
?
A. 
B. ?
C. ?
D. ?
E. ?
Part of $7,000 is invested at 10%, another part at 11%, and the remainder at 12% yearly interest. The total yearly income from the three investments is $795. The sum of the amounts invested at 10% and 11% equals the amount invested at 12%. How much is invested at each rate?
A. $1,000 at 10%, $2,500 at 11%, and $3,500 at 12% B. $500 at 10%, $2,000 at 11%, and $4,000 at 12% C. $1,500 at 10%, $2,000 at 11%, and $3,500 at 12% D. $500 at 10%, $2,500 at 11%, and $4,000 at 12% E. $1,500 at 10%, $3,000 at 11%, and $3,000 at 12%
Write the decimal as a percent.0.2
A. 0.02% B. 0.2% C. 200% D. 20%
Solve by the quadratic formula. Simplify answers. Use i notation for nonreal complex numbers.5x2 = -11x
A. x = 0
B. x = - 
, x = 0
C. x = 
, x = 0
D. x = ± 