Simplify. Assume that each variable is nonnegative.5 + 3
- 8
- 3
A. 24
- 15
B. -5
+ 2
C. 11
+ 2
D. 24
+ 2
Answer: B
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Find the difference.-14.7 - (-1.3)
A. -16 B. -13.4 C. 13.4 D. 16
Combine like terms when possible and write the polynomial in descending powers of the variable. Give the degree of the simplified polynomial. Decide whether the simplified polynomial is a monomial, a trinomial, or none of these.6x6 + 6x4 - 2x6
A. 10x4; 4; monomial B. 10x16; 16; monomial C. Cannot be simplified D. 4x6 + 6x4; 6; binomial
Multiply and simplify. Assume variables do not cause any denominators to equal 0.
? - 
A. 
B. 
C. - 
D. - 
Solve the problem.At one point the exchange equation for converting American dollars into Japanese yen was Y = 129(d - 4) where d is the number of American dollars, Y is the number of yen, and $4 is a one-time bank fee charged for currency conversions. Use this equation to solve the following problem.Ariel is traveling to Japan for 3 weeks and has been advised to have between 19,000 and 30,000 yen for spending money for each week he is there. Write an inequality that represents the number of American dollars he will need to bring to the bank to exchange money for this 3-week period.
A. $441.95 ? d ? $697.77 B. $445.86 ? d ? $701.67 C. $453.86 ? d ? $709.67 D. $441.89 ? d ? $697.71