Step-by-step explanation:
A.
15/5 = 3, 21/7 = 3 -- scale factor is 1/3 since he must divide by 3 to get the side lengths for the photo card
B.
Area = width*length, and scale factor is 5. Therefore, the new width is (15*5) and the new length is (21*5), so the new area is 15*5*21*5 = 15*21*5² = 15*21*25 = 315*25 = 7875 in²
Answer:
Are you in Ms. Weiss class
Step-by-step explanation:
Answer:
1/1 or 1
Step-by-step explanation:
the rise is 1 and the run is 1
Answer:
1 algebraic expression
Step-by-step explanation:
2. constants
The altitude might be another name for a height of a pyramid, lol, hope this helps
