Yo can someone help me out ion get ittt thanks

1.) simplify 5f-f+2f

2.) simplify t^2+t^2

3.) simplify 2xmxnx8

4.) Simplify 3xtxyx8

25 points and ill give brainliest thx

1. 8f

2. 2t^4

3. 16mn

4. 24ty

Step-by-step explanation:

I hope this helps i tried my best i just followed the steps that i see in the problems but i also did something like this but i didn't geuss

what are ur choices?

false

step-by-step explanation:

false.   two legs of the trapezoid would be congruent, but the other two would not.   were all the legs congruent, then we'd have a square; were the 2 shorter sides congruent and the 2 longer sides also congruent, we'd have a rectangle.