Answer:
Breaking up the multiplicand 8 into (5+3) allows us to apply the associative property of multiplication. See below.
Step-by-step explanation:
5*7 = 35. We want the product 8*7. Note that 8 = 5+3. Thus, 8*7=(5+3)(7) = 35 + 21, or 56.
Answer: (0,-10) and the transformation should be a reflection
Step-by-step explanation:
The point (a,b) is (5,7) . Therefore, the equation of the line is y=7
Answer:

Step-by-step explanation:
Collect like terms and calculate the sum