Solve the problem.An object is thrown upward from the top of a 
building with an initial velocity of 48 feet per second. The height h of the object after t seconds is given by the quadratic equation 
When will the object hit the ground?
A. 160 sec
B. -2 sec
C. 5 sec
D. 2 sec
Answer: C
Mathematics
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Find the quotient 
of the complex numbers. Leave answer in polar form.z1 = 30(cos 34° + i sin 34°)z2 = 5(cos 9° + i sin 9°)
A. 6(cos 25° + i sin 25°)
B. 25(cos 25° - i sin 25°)
C. 6(cos 43° + i sin 43°)
D. 25
Mathematics
Decide whether the statement is an example of the commutative, associative, identity, inverse, or distributive property.4 ? 1 = 4
A. Identity B. Distributive C. Inverse D. Commutative
Mathematics
Write the phrase as a variable expression. Use x to represent "a number."35 subtracted from a number
A. 35x B. 35 - x C. x - 35 D. 35
Mathematics
Solve the problem.Given f(x) = x2 - 5x - 7, find f(0).
A. 7 B. 0 C. -7 D. 49
Mathematics