Make equal to 0
minus 12from both sides
x^2+10x+13=0
we can't factor so use quadratic formula
x=

x=

x=

x=

x=

x=

x=

or

aprox
x=-1.5359 or -8.4641
Answer:
45 or positive 45
Step-by-step explanation:
Answer:
Variable
represents the slope of the equation.
Step-by-step explanation:
Given that the administrative fees that company charge is $3.50.
Also, the Zhao has a bill of $63.25.
The equation used by Zhao is

We can compare the equation of a line in the slope-intercept form.

We can see the y-intercept is $3.50 that is a fixed cost. And the company charged $63.25 that is the dependent variable.
Also, variable
that is the rate per kilowatt-hour (kWh) represents the slope of the equation.
Answer:
A.(170+30)-41
Step-by-step explanation:
(170+30)-41=170+(30-41)
200-41=170+(-11)
159=170-11
159=159
Answer:7^6
Step-by-step explanation: