A+b= 17, ab=70, find the value of |a-b|

3

Step-by-step explanation:

there are two solutions in the given system of two equations:

a=10; b=7 and a=7; b=10.

|a-b|=3.

the slope of the line is 60

one point on the line is (40,10)

step-by-step explanation:

in the equation outside the parenthesis the equation always tells you the slope. in this case it is 60.

in the parenthesis is also says 40 which is x because it is near the x and 10 is y because it is near y.

the correct answer is you spend $55.78 more in a brand store that buy ing in a normal store.

step-by-step explanation:

brand = spend   $ 135.85 total

store = spend $80.07 total