Write the phrase as an algebraic expression. Let x represent the unknown number.Twice a number, increased by 73
A. 2(x + 73)
B. 2x + 73
C. 2x - 73
D. x + 73
Answer: B
Mathematics
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Use scientific notation to solve the problem.A company produced 925,000 small appliances in one year and made a profit of $8,620,000. What was the profit on each appliance?
A. $9.32 x 102 B. $1.07 x 10-1 C. $9.32 D. $1.07
Mathematics
Write the exponential expression as a radical expression. Simplify if possible.-161/4
A. 
; not a real number
B. -
= -2
C. -
= -2
D. -
= -8
Mathematics
Use properties of logarithms to expand the logarithmic expression as much as possible. Where possible, evaluate logarithmic expressions without using a calculator.log10100x5
A. 2x B. 2 + 5 log10 x C. 20 + 5 log10 x D. 2 log10 x
Mathematics
Multiply and simplify. Assume that all variables represent nonnegative numbers.
2
A. 10z B. z10 C. 2z D. z20
Mathematics