Solve each of the following equations for y. don't forget to simplify any fractions you come across. (These are 3 questions to answer)

3x - y = 16

x + 4y = -31

-5x - 9y = 23

Abaseball team drinks 10/4 gallons of water during a game. which mixed number represents the gallons of water consumed? a) 1 1/2 gallons b) 2 1/2 gallons c) 2 3/4 gallons d) 3 1/2 gallons

What is the perimeter of an isosceles triangle with each leg measuring 2x+3 and the base measuring 6x-2?

Grace is a 70-year old woman who paid the utility bill online for the first time. she called her bank's customer service center to make sure she had done the transaction successfully. but the voice recording repeatedly played a message that all representatives were busy, which irked grace. which factor would make grace not recommend the bank to others? a. absence of technology b. lack of accessibility c. lack of financial products d. poor reputation