Solve the problem.A rock falls from a tower that is 352 feet high. As it is falling, its height is given by the formula 
How many seconds will it take for the rock to hit the ground 
Round your answer to the nearest tenth, if necessary.
A. 18.3 sec
B. 7744 sec
C. 4.7 sec
D. 18.8 sec
Answer: C
Mathematics
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Find the particular solution to the given differential equation that satisfies the given conditions.5D2y - 7 Dy = 0; y = 0 when x = 0, and y= 4 when x = 
A. y = 
- 
e(7/5)x
B. y = - 
+ 
e(7/5)x
C. y = - 
+ 
e(-7/5)x
D. y = 
- 
e(-7/5)x
Mathematics
Solve the system of linear equations.x + 5y = 0x - 5y = 40
A. (-4, 20) B. (5, -1) C. (20, -4) D. (20, 4)
Mathematics
Simplify.
A. 
B. 
C. 
D. 
Mathematics
Solve the problem. Round to the nearest cent.Sumi Kato's savings account has a balance of 
After 
what will the amount of interest be at 
compounded annually?
A. $1512.94 B. $1523.94 C. $2029.20 D. $1529.94
Mathematics