Solve the problem. First use front end rounding. Then find the exact answer.Troy Alvin had $3584 in his checking account. He wrote checks for $391, $628, and $104 during the course of one week. Find the amount remaining in his account.
A. Estimate: $2900; exact: $2464
B. Estimate: $2480; exact: $2461
C. Estimate: $2900; exact: $2461
D. Estimate: $2480; exact: $2464
Answer: C
Mathematics
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Write a chain rule formula for the following derivative.
for w = f(p, q, r); p = g(t), q = h(t), r = k(t)
A. 
= 
+ 
+ 
B. 
= 
+ 
+ 
C. 
= 
+ 
+ 
D. 
= 
+ 
+ 
Mathematics
Evaluate using a scientific calculator. Express answer rounded to three decimal places.e-2.8
A. 0.061 B. 0.361 C. -7.611 D. -0.061
Mathematics
Provide an appropriate response. Find the distance between the points (5, -1) and (9, 2).
A. 7 B. 14.036 C. 5 D. 4.123
Mathematics
Solve by the method of your choice.x2 + y2 = 68(x - 9)2 + y2 = 113
A. {(2, 8), (2, -8), (-2, 8), (-2, -8)} B. {(8, 2), (8, -2), (-8, 2), (-8, -2)} C. {(8, 2), (8, -2)} D. {(2, 8), (2, -8)}
Mathematics