X − 6y = 8 2x − 5y = 3 Which step could you use to start solving the system above?

A Add 2x − 5y = 3 to x − 6y = 8.
B Multiply x − 6y = 8 by 2 and subtract it from 2x − 5y = 3.
C Multiply x − 6y = 8 by 2 and add it to 2x − 5y = 3.
D Substitute x = 6y − 8 for x in 2x − 5y = 3

5× 1/2 = ? a) more than 5 because you are multiplying by a whole number b) 5/10 because you multiply the numerator and denominator by 5 c) less than 5 because you are multiplying by a number that is more than 1 d) less than 5 because you are multiplying by a number that is less than 1

Asocial networking site currently has 400,000 active members, and that figure is predicted to increase by 32% each year. the following expression represents the number of active members on the site after t years.

Tim's phone service charges $23.06 plus an additional $0.22 for each text message sent per month. if tim's phone bill was $28.56, which equation could be used to find how many text messages, x, tim sent last month?