Will give brainliest if u help

the sum of all the angles in a triangle are equal to 180

so you can add   the 3 given angles together to equal 180:

5y + 2y + 2y = 180

or since all three angles have the same letter, combine the 3 angles to equal 180:

9y = 180

mark branliest

step-by-step explanation:

.6 is 1/2 of 12

the answer is actually d. i just took the test

relating to or denoting a system of numbers and arithmetic based on the number ten, tenth parts, and powers of ten.

it alot will look like this 4.4

good luck on your studies! : )

david edward.