Add like terms, if possible, and write the result in descending powers of the variable.10a7 - 6a7 + 11a5 + 7a7 - 9a5
A. 13a7
B. 13a12
C. 11a7 + 2a5
D. Cannot be simplified
Answer: C
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Calculate the arc length S and area A for each of the following sectors. Round to the nearest whole number if necessary.a = 0.6 rad, r = 112 ft
A. S = 67 ft, A = 3764 sq ft B. S = 62 ft, A = 3762 sq ft C. S = 67 ft, A = 3762 sq ft D. S = 66 ft, A = 3764 sq ft
Find the slope and y-intercept of the line.-5x + 7y = 2
A. slope = 
; y-intercept = 
B. slope = 
; y-intercept = - 
C. slope = 5; y-intercept = 13
D. slope = 
; y-intercept = 
Convert the given equation to a rectangular equation.r = 
A. 15x2 + 16y2 - 64 = 0 B. 16x2 + 16y2 - 16x - 64 = 0 C. 15x2 + 16y2 - 16x - 64 = 0 D. 16x2 + 15y2 - 16y - 64 = 0
From the given list, identify the proper fractions.
, 
, 
, 
, 
A. 
, 
B. 
, 
, 
, 
C. 
, 
D. 
, 
, 