All answers are in cordinate pairs. Example (1,2) No Spaces between each character.
In Exercises 13–20, solve the system of linear equations
by graphing. (See Example 2.)
13. y = -x + 7
y = x + 1
14. y = -x + 4
y = 2x - 8
15. y = 5x + 2
y = kx + 5
16. y = x - 4
y = -x + 11
18. 4x - 4y = 20
17. 9x + 3y = -3
2x - y = -4
y = -5
19. x - 4y = -4
- 3x – 4y = 12
20. 3y + 4x = 3
x + 3y = -6
13.
14.
15.
16.
17
18.

the answer is b

pls refer ro the top for answer

hello from mrbilldoesmath!

answer:   (7x + 6y) ( 49x^2 - 42xy + 36y^2)

discussion:

in general, the factorization of a^3 + b^3 is

a^3 + b^ 3 = (a + b) ( a^2 - ab + b^2)

in our case note that 343 = 7^3 and 216 = 6^3 so the equation becomes:

343x^3 + 216y^3 = (7x)^3 + (6y)^3

if you think of a (above) as 7x and b as 6y the factorization becomes

343x^3 + 216y^3 =

((7x + 6y) (   (7x)^2 - 7x*6y + (6y)^2)   =

(7x + 6y) ( 49x^2 - 42xy + 36y^2)

you,

mrb

(a + b) (a^2 - a b + b^2)

range =5

step-by-step explanation:

to find the range, we take the largest value and subtract the smallest value.

the largest value is 5

the smallest value is 0

the range is 5-0   =5