Solve the problem.When a ball is thrown upward at a speed of 19 m/s, its height s above the ground (in meters) after t seconds is given by the formula 
Find the height of the ball after 3 seconds.
A. 12.9 meters
B. 27.6 meters
C. 42.3 meters
D. 52.1 meters
Answer: A
Mathematics
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Use the quadratic formula to write the solution of the quadratic equation
.
?
A. 
B. ?
C. ?
D. ?
Mathematics
Write the equation of the line passing through the given points. Write your answer in slope-intercept form.Passing through (7, -1) and (-7, -1)
A. y = -1 B. y = 6x - 49 C. y = 3x - 28 D. y = 2x - 21
Mathematics
Complete the magic (addition) square.Use each number 16, 17, 18, 19, 20, 21, 22, 23, and 24 once.
A. 
B. 
C. 
D. 
Mathematics
Write using radical notation. Then, simplify, if possible.(8y9)1/3
A. 2y9 B. 2y3 C. 8y3 D. Cannot be simplified
Mathematics