Math help, test tommorow.

I have an test tommorow and i'm trying to do my best on it because i'm not doing too good in the class and we haven't been gaven text books yet so I can't look back in the book to figure out how to do this work, It's only work sheets,If anyone could show me an easy way to do these type of problems it'd be really apperciated, thanks :)

Consider the rule y=5x+7

a. How many tiles are in figure 0?

b. Which figure has 37 tiles?

c.In the equation y=mx+b what do letters m and b represent?

For each pair of lines bellow, solve the system by graphing and solve it algebracially using the Equal Values Method. Explain how the graph confirms the algebraic result

a. y=7x-5 and 7=-2x+13

b. y=3x-1 and y=3x+2

Copy and complete the table for the linear pattern bellow.

in(x) -4,-3,-2,-1,0,1,2,3,4

out(y) _, _,,_,_,_,-2,3,8,_,_

A.What is the y interpect? What is the growth factor

B.Find the rule for this line.

C.If the output number (y) is -52, what was the inut number (x)?