A triangle has side lengths of (7a+2b)(7a+2b) centimeters, (6a+3c)(6a+3c) centimeters, and (3c+4b)(3c+4b) centimeters. Which expression represents the perimeter, in centimeters, of the triangle?

all but the second one

step-by-step explanation:

cuz that one goes over 180

mark brainliest

mean, 40.6

step-by-step explanation:

sinn is the total amount of students now and m were the students before, you subtract them both (n-m) and divide that by m. then, since to get a percentage from a fraction you have to multiply by 100, your answer should look like this: n-m/m*100

step-by-step explanation:

let's fu(!

step-by-step explanation: