Solve the problem.A ball is thrown vertically upward from the ground at a velocity of 93 feet per second. Its distance from the ground after t seconds is given by 
How fast is the ball moving 3 seconds after being thrown?
A. -12 ft per sec
B. -3 ft per sec
C. 135 ft per sec
D. 45 ft per sec
Answer: B
Mathematics
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(10-2)2 =
a. 10-4 b. 104 c. 100 d. 10-2 e. 102
Mathematics
Solve the absolute value equation. 
= 4
A. x = 3 B. x = 18 C. x = -6, 18 D. x = -5, 3
Mathematics
Solve the equation. Express irrational solutions in exact form and as a decimal rounded to three places.log2(x2 - 16) = 7
A. {-
, 
} ? {-8.062, 8.062}
B. {-4
, 4
} ? {-10.583, 10.583}
C. {-12, 12}
D. {12}
Mathematics
Subtract. Write a mixed numeral for the answer.15
- 7
A. 5
B. 7
C. 8
D. 8
Mathematics