Which statement is true about the sum of two rational numbers?
It can always be written as a fraction.
It can never be written as a fraction.
It can always be written as a repeating decimal.
It can never be written a terminating decimal.

step-by-step explanation:

ok so im not 100% sure but you would start by adding 5.1t and 1.9t beacuse they have the same variable. that is 7t.   then add -3.6 + 1.2 which is -2.4

so then keep that as -2.4 + 7t. i apologize if this is incorrect. best luck on your test < 3

step-by-step explanation:

is their an equation anywhere i can take a   look at it and see if i am right.

a ≈ 172.05

step-by-step explanation:

the pictures.