Can someone me with this word problem.

a notebook costs $3 and binders cost $7. if joe bought 4 notebooks and some binders for $47, how many binders did he buy?

Find the value of a. the diagram is not to scale. a quadrilateral is drawn. the upper and lower sides are parallel. the interior angle in the upper left corner is labeled a degrees. the angle in the upper right corner is labeled 113 degrees. the angle in the lower right corner is labeled b degrees. the angle in the lower left corner is labeled 36 degrees. a. 36 b. 144 c. 54 d. 126

If f(x) = 2x + 2 and g(x) = x? , what is (gºf)(2)?

Use the distributive law to multiply. 3(4x + 5y + 6)