Solve the problem.A foul tip of a baseball is hit straight upward from a height of 4 feet with an initial velocity of 
per second. The function 
describes the ball's height above the ground, s(t), in feet, t seconds after it was hit. What is the instantaneous velocity of the ball 1.1 seconds after it was hit?
A. -35.2 feet per second
B. -3.2 feet per second
C. 3.2 feet per second
D. 35.2 feet per second
Answer: B
Mathematics
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Change the mixed number to an improper fraction.-3
A. -
B. -
C. -
D. -
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Determine whether the given ordered pair is a solution of the system.(-5, -6)2x + y = -164x + 2y = -32
A. solution B. not a solution
Mathematics
Round the money amount to the nearest cent or dollar as indicated.$3999.53, nearest dollar
A. $3999.5 B. $3000 C. $4 D. $4000
Mathematics
Factor completely. If the polynomial is prime, state so.729p3 + q3
A. (9p + q)(81p2 - 9pq + q2) B. (9p + q)(81p2 - 9pq - q2) C. (9p + q)(81p2 + q2) D. (9p + q)(81p2 + 9pq + q2)
Mathematics