Solve.12.6 is 28% of what number?
A. 450
B. 45
C. .45
D. 4.5
Answer: B
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Factor and simplify the expression.tan4x - sec4x
A. sec2x B. sec2x + tan2x C. -2 tan2x - 1 D. tan 2 - sec2x
Give the degree of the polynomial.
?
?
A. 
B. 0
C. This is not a polynomial
D. No defined degree
Express as a single logarithm and, if possible, simplify.logb 7x + 8(logb x - logb y)
A. logb 
B. logb 
C. 
D. logb (7x + x8 - y8)
Solve the problem.List all the combinations of 6 objects a, b, c, d, e, and f taken 2 at a time. What is C(6, 2)?
A. aa, ab, ac, ad, ae, af, ba, bb, bc, bd, be, bf, ca, cb, cc, cd, ce, cf, da, db, dc, dd, de, df, ea, eb, ec, ed, ee, ef, fa, fb, fc, fd, fe, ff C(6, 2) = 36 B. ab, ac, ad, ae, bc, bd, be, cd, ce, cf, de, df C(6, 2) = 12 C. ab, ac, ad, ae, af, bc, bd, be, bf, cd, ce, cf, de, df, ef C(6, 2) = 15 D. ab, ac, ad, ae, af, ba, bc, bd, be, bf, ca, cb, cd, ce, cf, da, db, dc, de, df, ea, eb, ec, ed, ef, fa, fb, fc, fd, fe C(6, 2) = 30