Answer:
Slope = -1/5
Step-by-step explanation:
(-5, -2)(5, -4)
Slope: 
PEMDAS
Parentheses, exponents, multiplication, division, addition, subtraction.
The answer to t is t= 21/2
Answer:
it's probably b
Step-by-step explanation:
I don't know how to do it so don't do b
Let e=erasers and p=pencils. So we know the total amount of erasers plus pencils sold is equal to 220. Therefore,

We also know the cost of erasers and pencils totaled to $695 in earnings and so:

and so those are your two equations.