Identify the triangle PQR as isosceles, equilateral, or scalene.P(1, 2), Q(3, -1), R(-4, -1)
A. Scalene
B. Equilateral
C. Isosceles
Answer: A
Mathematics
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Use your calculator to solve the problem.The length (in feet) an industrial spring is stretched from its natural length with work, W
is given by L = 
, where k is a constant for the given spring. If a certain spring has a constant of 67.6 and has 287 foot-pounds of work applied, how far will it stretch?
A. 2.91 feet B. 2.06 feet C. 72.1 feet D. 8.49 feet
Mathematics
Simplify. 62 + 42 ÷ 22
A. 13 B. 25 C. 56 D. 40
Mathematics
Factor. Check by multiplying.10x - 16
A. 2(5x - 8) B. 2(8x - 5) C. 2(5x - 16) D. 2(8x - 10)
Mathematics
Divide.
A. 1119 R 13 B. 1104 C. 1114 D. 1124 R 21
Mathematics