The simplification of a rational multiplication or division problem is given. Identify the first step where a mistake occurs, if there are any. 11.

A. (2)
B. The problem cannot be simplified.
C. (4)
D. (3)
E. (1)
F. No mistakes

What is the equation and solution for the sentence? the sum of a number and thirty-one is one hundred thirteen. write the equation as n-31=113 and subtract 31 from both sides. the answer is 82. write the equation as n+31=113 and subtract 31 from both sides. the answer is 82. write the equation as n+31=113 and add 31 to both sides. the answer is 144. write the equation as n-31=113 and add 31 to both sides. the answer is 144.

For what value of x does 4x = (1/8) x + 5?

Aparticular telephone number is used to receive both voice calls and fax messages. suppose that 25% of the incoming calls involve fax messages, and consider a sample of 25 incoming calls. (a) what is the expected number of calls among the 25 that involve a fax message?