Use the order of operations to simplify the expression.3 ? 8 + 72
A. 31
B. 1176
C. 60
D. 73
Answer: D
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Write the formula for Newton's method and use the given initial approximation to compute the approximations x1 and x2. Round to six decimal places.f(x) = x2 - 20; x0 = 5
A. xn+1 = xn + 
; x1 = 4.500000, x2 = 4.472222
B. xn+1 = xn - 
; x1 = 5.500000, x2 = 3.472222
C. xn+1 = 
; x1 = 5.000000, x2 = 4.972222
D. xn+1 = 
; x1 = 4.500000, x2 = 4.472222
Calculate the range of the set.2425 2473 1479 2028 1254
A. 946 B. 1171 C. 994 D. 1219
Solve the problem.There were 5
yards of fabric on a bolt. After a customer bought 
of fabric, how many yards were left?
A. 6
yd
B. 1
yd
C. 3
yd
D. 
yd
Solve the system of equations using matrices (row operations). If the system has no solution, say that it is inconsistent.
A. x = 4, y = -3, z = -5, w = 2; (4, -3, -5, 2)
B. x = - 
, y = 
, z = 
, w = - 
; 
C. x = 
, y = - 
, z = - 
, w = 
; 
D. x = -4, y = 3, z = 5, w = -2; (-4, 3, 5, -2)