Karen's hair grew 2 inches in 5 months. How many inches would her hair grow in 1 year (change 1 year to number of months in 1 year)?

Gregory draws a scale drawing of his room. the scale that he uses is 1 cm : 4 ft. on his drawing, the room is 3 centimeters long. which equation can be used to find the actual length of gregory's room?

What is the effect on the graph of the function f(x)=x when f(x) is replaced with -f(x)+4

3x + 4y = 5 x- 3y = -7 solve by substitution