Evaluate the expression for the given values. If necessary, round to the nearest tenth.
x = 7, y = 4
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Convert. When necessary, round the answer to two decimal places.90 inches = _____ feet
A. 7.5 B. 1.25 C. 270 D. 1080
Mathematics
Solve the equation.2y = 2
A. 2 B. 0 C. -1 D. 1
Mathematics
Use properties of logarithms to expand the logarithmic expression as much as possible. Where possible, evaluate logarithmic expressions without using a calculator.log7 
A. 
(log7 x2y - log7 49)
B. 
(log7 x2 + log7 y - 2)
C. 
log7 x - 
log7 y + 
D. 
log7 x + 
log7 y - 
Mathematics
Divide and, if possible, simplify. Assume all variables represent positive real numbers.
A. 2mn
B. 
C. 4
D. 2
Mathematics