Simplify the expression. Assume that all variables are positive when they appear.-6
- 2
A. -40
B. -32
C. 40
D. 32
Answer: A
Mathematics
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Factor.4x3 + 4x2 - 80x
A. 4x(x - 4)(x + 5) B. (4x2 + 16x)(x - 5) C. (4x2 + 16)(x - 5) D. 4x(x + 4)(x - 5)
Mathematics
Simplify by combining like terms.22.2x - 7.8 - 8.4x + 14.3
A. 13.8x + 6.5 B. 14.8x + 6.5 C. 13.8x + 7.5 D. 20.3x
Mathematics
Write the logarithmic equation as an exponential equation.ln x = 5
A. e5 = x B. ex = 5 C. x5 = e D. 5e = x
Mathematics
Solve the problem.From a boat on the lake, the angle of elevation to the top of a cliff is 34°34'. If the base of the cliff is 2375 feet from the boat, how high is the cliff (to the nearest foot)?
A. 1646 ft B. 1639 ft C. 1649 ft D. 1636 ft
Mathematics