Solve the problem.If you toss four fair coins, in how many ways can you obtain at least one head?
A. 5 ways
B. 4 ways
C. 15 ways
D. 16 ways
Answer: C
Mathematics
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LetU = {q, r, s, t, u, v, w, x, y, z} A = {q, s, u, w, y} B = {q, s, y, z} C = {v, w, x, y, z}. List the elements in the set.A ? B'
A. {u, w} B. {q, s, t, u, v, w, x, y} C. {t, v, x} D. {r, s, t, u, v, w, x, z}
Mathematics
Evaluate the improper integral or state that it is divergent. 
A. ln 2
B. - 
ln 2
C. ln 5
D. 
ln 6
Mathematics
Find the solution.3x + 3 = x + 19
A. 32 B. 8 C. 11 D. 13
Mathematics
Evaluate the expression.24
A. -8 B. -16 C. 16 D. 8
Mathematics