Evaluate 0!
a. 0
b. 1
c. 10
d. undefined
b. 1
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Each day Larry needs at least 10 units of vitamin A, 12 units of vitamin B, and 20 units of vitamin C. Pill #1 contains 4 units of A and 3 of B. Pill #2 contains 1 unit of A, 2 of B, and 4 of C. Pill #3 contains 
of A, 1 of B, and 5 of C.Pill #1 costs 9 cents, pill #2 costs 15 cents, and pill #3 costs 
Larry wants to minimize cost. What are the constants in the problem?
A. 4, 3, 0 B. 10, 12, 20 C. 4, 1, 10 D. 9, 15, 13
Given A(a, b), B(a + m, b + n), and C(a - n, b + m). Prove that AB ? AC.
What will be an ideal response?
Express the sum or difference as a product of sines and/or cosines.cos(7?) - cos(3?)
A. -2 cos(5?) sin(2?) B. 2 cos(2?) C. -2 sin(5?) sin(2?) D. 2 cos(5?) cos(2?)
Solve the problem.Between 7:00 AM and 8:00 AM, trains arrive at a subway station at a rate of 15 trains per hour 
per minute). The following formula from statistics can be used to determine the probability that a train will arrive within t minutes of 7:00 AM. F(t) = 1 - e-0.25tDetermine how many minutes are needed for the probability to reach 30%.
A. 2.12 min B. 5.23 min C. 3.97 min D. 1.43 min