Multiply, and then simplify if possible. Assume all variables represent positive real numbers.(
+ 15)(
- 1)
A. 
- 15
B. 0
C. 15
+ 
D. 15
- 
Answer: D
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The temperature C, in degrees, of a cup of coffee t minutes after it is poured is given by
.
A: What was the temperature of the coffee when it was poured?B. When did the temperature reach 154.69 degrees? Round your answer to the nearest minute.C: What is the temperature of the room in which the coffee sits?
What will be an ideal response?
Use a calculator to find an approximation to the nearest ten-thousandth.101.5205
A. 0.4191 B. 33.1513 C. 0.1820 D. 4.5738
Divide the first polynomial by the second and state the quotient and the remainder.2x4 - x3 - 15x2 + 3x, x + 3
A. Quotient: 2x3 + 5x2 + 3; remainder: 9 B. Quotient: 2x3 - 7x2 + 6x - 15; remainder: -45 C. Quotient: 2x3 - 7x2 + 6x - 15; remainder: 45 D. Quotient: 2x3 - 5x2 + 3; remainder: -9
Solve the problem.The Ramiros have saved $31,500 for a down payment. If a 5% down payment is required, what price house can they buy? Round to the nearest dollar.
A. $157,500 B. $1,575 C. $6,300 D. $630,000