Abe is 7 inches taller than Chen. Select the expressions that represent Abe's height if Chen's height is h inches.
A
the difference between h and 7
B
the sum of h and 7
h +7
C
D
h-7

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?