Which of the following is equivalent to 3a + 4b – (–6a – 3b) ?
a. 16ab
b. –3a + b
c. –3a + 7b
d. 9a + b
e. 9a + 7b

If the area of the frame was 64 square inches, what would be 2 possible sets of dimensions that could be used to make a frame with that area? set 1: set 2: 4) the frame is being enlarged to hang on a gallery wall. using the scale factor of 1in=2.5ft., give the new dimensions of the outside edges of the frame. new dimensions: 5in.= 7in=