Decide whether the equation is an identity, a conditional equation, or a contradiction. Give the solution set.24x + 15 = 3(3x - 35)
A. Identity; {all real numbers}
B. Conditional; {-8}
C. Contradiction; ?
D. Conditional; {6}
Answer: B
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Provide an appropriate response.Derive a formula for the area of a circumscribed regular n-sided polygon for a circle of radius r.
What will be an ideal response?
Solve the problem.Use the figure to find the length L of the rectangle from its width and area A. Determine L when 
A. 8x + 5; 77 ft B. 8x + 1; 73 ft C. 5x + 8; 53 ft D. 5x + 1; 46 ft
Identify the polynomial as a monomial, binomial, trinomial, or none of these. Give its degree.5y4 - 9
A. Monomial, degree 5 B. Binomial, degree 5 C. Binomial, degree 4 D. Binomial, degree 0
The lifetime of a disposable water filter is normally distributed with mean ? = 38 gal and standard deviation ? = 6 gal. What is the probability that a filter selected at random will last from 47 gal to 51.5 gal? Round your answer to three decimal places.
a. 0.433 b. 0.055 c. 0.921 d. 0.945 e. 0.488