Use a translation rule to describe the translation that is 8 units to the left and 1 unit down 1. (x, y) --> (x + 8, y + 1)
2 .(x, y) --> (x + 1, y + 8)
3. (x, y) --> (x - 8, y - 1)
4. (x, y) --> (x - 1, y - 8)

Step-by-step explanation:

the answer is (x, y) --->(x-8, y-1)

the correct answer is $7.38

step-by-step explanation:

second option

step-by-step explanation:

the measures of a triangle equal 180. use that to find x.

2x+3x+4x=180

9x=180

9x/9=180/9

x=20

now you know x, you know angle a is 40°, angle b is 60°, angle c is 80°.

because angle a is 40°, the first option doesn't work.

because angle b is 60°, the second option does work.

when you add angle a and b, you get 100°. complementary means it equals 90°, so the third option doesn't work.

when you add angle a and c, you get 120°, which is not 100.