Evaluate 3x - 2 when x=7 identify the CONSTANT in the algebraic expression 3x + 7

Write an algebraic expression for the phrase: twelve more than b.

Can u guys do this ratio question. this is extremely urgent a tap is leaking water at a rage of 1l every 8 hours. how long will it take for the tap to leak a total of 300ml?

Iam trying to solve a linear equation for the shoe size of someone 84" tall taking into consideration example 1 is 69" tall with a shoe size of 9 and example 2 is 72 inches tall with a shoe size of 11. i understand that the equation should be y=mx+b and that on the graph the answer is (3,2) but i just don't understand how to create the equation to solve for 84-inches and 60-inches tall questions. after two days, i need .

Order the measurements from the least to the greatest. 2,720 ml , 24.91 l , 0.0268 kl