Evaluate the expression for the given value or values of the variables.
; x = 3, y = 20
A. 5
B. 8
C. 21
D. 16
Answer: B
Mathematics
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Solve the initial value problem.
= x cos (7x2), y(0) = 8
A. y = 
sin(7x2) + 8
B. y = 
sin (u)
C. y = 
sin(7x2) + 8
D. y = sin (7x2) + 8
Mathematics
Solve.
- 
= 
A. 
B. 
C. 1
D. 
Mathematics
Solve the problem.A corporation's bank account has $6531 in it when the treasurer writes checks for $1765, $1708, and $582. Then, deposits of 
and $4184 are made. What is the new balance?
A. $5042 B. -$5042 C. $8602 D. $8020
Mathematics
Write using exponents.10 ? 10 ? 10
A. 30 B. 310 C. 104 D. 103
Mathematics