Answer:

Step-by-step explanation:

First we square the parenthesis. Apply FOIL method to multiply


distribute -2 inside the parenthesis

Now combine like terms

Answer:
3/2
Step-by-step explanation:
y2 - y1 / x2 - x1
1 - 7 / -5 - (-1)
-6 / -4
= 3/2
Answer:
17.5 or 35
Step-by-step explanation:
because 350/10=35
350/12=17.5
The product is 28. 11-7= 4. 4×7=28