What are two similar triangles and how do know there similar! please help

y=−9/2x+10

step-by-step explanation:

let's solve for y.

0−9x−2y=−20

step 1: add 9x to both sides.

−9x−2y+9x=−20+9x

−2y=9x−20

step 2: divide both sides by -2.

−2y

−2

=

9x−20

−2

y=

−9

2

x+10

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step-by-step explanation:

hopefully im right

answer: the first one

step-by-step explanation: use a calculator and divide the minutes by the dollars.

i just took the test, the correct answer is .. 31.5 in.