Solve the system by graphing.x - y = 4x + y = 4
A. (0, - 4)
B. (- 4, 0)
C. (0, 4)
D. (4, 0)
Answer: D
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Solve the problem.A particle moves on a coordinate line with acceleration 
subject to the conditions that 
and 
when 
Find the velocity 
in terms of t and the position s in terms of t.
A. v = 10
+ 6
- 13; s = 
+ 
- 13t + 
B. v = 
+ 
- 13t + 
; s = 10
+ 6
- 13
C. v = 10
+ 6
- 13; s = 
+ 
- 13t + 
D. v = 10
- 6
+ 13; s = 
- 
+ 13t + 
Use a graphing calculator to find the graph of the equation.y = 
A. 
B. 
C. 
D. 
Use front-end rounding to round each number. Then, add or subtract the rounded numbers to get an estimated answer. Finally, find the exact answer.What is 6.045 grams from 622.2 grams?
A. Estimate: 594 grams; exact: 616.165 grams B. Estimate: 694 grams; exact: 626.155 grams C. Estimate: 594 grams; exact: 616.255 grams D. Estimate: 594 grams; exact: 616.155 grams
Solve the formula
?
?
for the indicated variable.
?
A. 
B. ?
C. ?
D. ?
E. ?