Use the properties of logarithms to evaluate the expression.ln e8
A. e8
B. 8 ln e
C. 1
D. 8
Answer: D
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Write a polynomial for the length of the rectangle. 
A. x2 - 4x - 7x + 18 B. x - 3 C. x2 + 7 D. x + 21
Solve the problem.An experimental model for a suspension bridge is built in the shape of a parabolic arch. In one section, cable runs from the top of one tower down to the roadway, just touching it there, and up again to the top of a second tower. The towers are both 9 inches tall and stand 60 inches apart. Find the vertical distance from the roadway to the cable at a point on the road 9 inches from the lowest point of the cable.
A. 3.24 in. B. 0.61 in. C. 0.81 in. D. 1.01 in.
Decide if a triangle exists that satisfies the given conditions.? = 53°, ? = 29°, b = 11
A. Yes B. No
Let (m × n) denote a matrix of size m × n. Find the size of the following product, or state that the product is not defined.(4 × 4)(4 × 4)
A. 4 × 4 B. not defined C. 4 × 8 D. 8 × 4