Solve the problem.The driver of a car traveling at 48 ft/sec suddenly applies the brakes. The position of the car is 
t seconds after the driver applies the brakes. How many seconds after the driver applies the brakes does the car come to a stop?
A. 24 sec
B. 8 sec
C. 48 sec
D. 16 sec
Answer: B
Mathematics
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Find the standard-form equation of the ellipse centered at the origin and satisfying the given conditions.An ellipse with y-intercepts ±8; foci at 
and 
.
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Mathematics
Solve for the variable.-13x = -169
A. -12 B. 12 C. -13 D. 13
Mathematics
Simplify, if possible.
? 
÷ 
A. 1
B. 
C. 
D. 
Mathematics
Find all rational zeros and factor f(x).f(x) = x3 + 6x2 - 40x - 192
A. -5, -8, 12; f(x) = (x + 5)(x + 8)(x - 12) B. 4, 8, -6; f(x) = (x - 4)(x - 8)(x + 6) C. 5, 8, -12; f(x) = (x - 5)(x - 8)(x + 12) D. -4, -8, 6; f(x) = (x + 4)(x + 8)(x - 6)
Mathematics