Add or subtract as indicated. Simplify, if necessary.
+ 
A. 
B. 
C. 
D. 
Answer: A
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Compute the definite integral as the limit of Riemann sums.
A. - 
B. - 
C. - 
D. 0
Solve the problem.Three receiving stations at (8, 11), (4, 6), and (12, 9) record distances to an earthquake of 2 units, 5 units, and 4 units, respectively.Find the coordinates of the epicenter.
A. (1, 2) B. (8, 9) C. (9, 8) D. (-6, -5)
Complete the following:(a) Write the equation in slope-intercept form.(b) Give the slope and y-intercept of the line.3x + 4y = 31
A. (a) y = 
x + 
(b) 
; 
B. (a) y = 
x + 
(b) 
; 
C. (a) y = - 
x + 
(b) - 
; 
D. (a) y = - 
x + 
(b) - 
; 
Provide an appropriate response.People whose entire salary is based on a percent of sales are said to be working on:
A. differential scale B. piecework C. salary-plus-commission D. straight commission