P=2l+2w ---> P=2(11)+2(8.5) -- Substitute
P=2(11)+2(8.5) ---> P=22+17 -- Multiply
P=22+17 ---> P=39 inches -- Add
Answer:
(- 6, 0 )
Step-by-step explanation:
x = -2y - 6 → (1)
- 3x - 7y = 18 → (2)
substitute x = - 2y - 6 into (2)
- 3(- 2y - 6) - 7y = 18 ← distribute parenthesis and simplify left side
6y + 18 - 7y = 18
- y + 18 = 18 ( subtract 18 from both sides )
- y = 0 , then
y = 0
substitute y = 0 into (1)
x = - 2(0) - 6 = 0 - 6 = - 6
solution is (- 6, 0 )
Answer: 
Step-by-step explanation:
Slope-intercept form: y=mx+c (i) , of linear equations, m= slope and c= y-intercept of the line.
6x+7y=13in slope intercept form would be :

Comparing to (i) , 
Slope of parallel lines are equal.
So, slope of required line = 
Equation of line with slope m and passes through point : 
So, equation of required line:

Answer:
25% of 3030 is 757.5, so basically she is saving 757.5 dollars