Determine whether the given equation is an identity.5(2x - 31) = 10x - 155
A. Yes
B. No
Answer: A
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Provide an appropriate response.The life expectancy (in years) of a keyboard is distributed exponentially with k = 
. If the keyboard's warranty lasts 2 years, what is the probability that a keyboard will break down after the warranty expires?
Fill in the blank(s) with the appropriate word(s).
Simplify.(72 - 2) ? 4
A. 100 B. 140 C. 188 D. 41
Solve the problem.The variable z varies jointly as the third power of x and the second power of y. When 
and 
Approximate the constant of variation to three significant digits.
A. 3.83 B. 6.83 C. 3.43 D. 4.93
Write an algebraic equation and use it to solve the problem.During a road trip, Tonya drove one-third the distance that Lana drove. Mark drove 9 miles more than Lana. The total distance they drove on the trip was 597 miles. How many miles did each person drive?
A. Tonya drove 252 miles, Lana drove 756 miles, and Mark drove 765 miles. B. Tonya drove 81 miles, Lana drove 243 miles, and Mark drove 252 miles. C. Tonya drove 84 miles, Lana drove 252 miles, and Mark drove 261 miles. D. Tonya drove 756 miles, Lana drove 252 miles, and Mark drove 243 miles.