Estimate the sum or difference by first rounding as indicated.Estimate by first rounding to the nearest hundred.389
A. 100
B. 600
C. 200
D. 142
Answer: C
Mathematics
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Find the measure of the indicated angle. Figure is not drawn to scale.m 
n
Find the measure of ?g.
A. 10° B. 20° C. 110° D. 70°
Mathematics
Determine the slope and the y-intercept. Then graph the equation.3x - 4y = -25
A. m = - 
; y-intercept: 
B. m = 
; y-intercept: 
C. m = - 
; y-intercept: 
D. m = - 
; y-intercept: 
Mathematics
Solve using Cramer's Rule.Jerry has 3 pieces of string. The total length is 102 inches. The sum of the two longer pieces is 83. The middle piece is twice as long as the shortest piece. What are the lengths of the 3 pieces?
A. 19, 45, and 55 inches B. 19, 38, and 45 inches C. 9.5, 19, and 73.5 inches D. No solution
Mathematics
Write as a percent.0.028
A. 0.0028% B. 2.8% C. 28% D. 0.028%
Mathematics