Which expression can be substituted for y in the top equation of the following system to solve the system by substitution? What is the solution? 14x-2y=1
2x-y=-2

A) -7x+1/2,(1/14,-13/7)
B) 2x+2,(1/2,3)
C) -2x-2,(1/6,5/3)
D) 7x-1/2,(1/2,3)

Kerion has a beaded necklace business. she can make 12 necklaces is 2 hours. how long will it take her to make 9 necklaces?

Identify the statement below as either descriptive or inferential statistics. upper a certain website sold an average of 117 books per day last week. is the statement an example of descriptive or inferential statistics? a. it is an example of descriptive statistics because it uses a sample to make a claim about a population. b. it is an example of inferential statistics because it uses a sample to make a claim about a population. c. it is an example of inferential statistics because it summarizes the information in a sample. d. it is an example of descriptive statistics because it summarizes the information in a sample.

Atriangle has side lengths of x, x+11, and 3x+5. what is the perimeter?