Multiply. Write the answer in simplest form.- 
? 400a2
A. 140a2
B. -160a
C. - 
D. - 
Answer: B
Mathematics
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Add. Do not use a number line except as a check.-1.7 + (-4.1) + 3.8
A. -2 B. 6.2 C. -1.4 D. -9.6
Mathematics
Solve the problem.Jordan sold his used electric saw and accessories for $462. If he received 10 times as much money for the electric saw as he did for the accessories, find how much money he received for the electric saw.
A. $52 B. $42 C. $420 D. $4620
Mathematics
Fill in the blank with one of the words or phrases listed below. 
A(n) 
is a piece of a line with two endpoints.
A. perimeter B. ray C. line segment D. transversal
Mathematics
Identify the triangle PQR as isosceles, equilateral, or scalene.P
R
A. Equilateral B. Isosceles C. Scalene
Mathematics