Find the missing side lengths 45 45 90 & 30 60 90

yes because there is exactly one y value for every x value

for function there can't be more than one value for every x value

it is 28 degrees colder in detroit than philadelphia.

step-by-step explanation:

what number adds to 21

-7 + ? = 21

-7 + 28 = 21

hope it