Answer:
6-2x+5+4x
Group the similar numbers
2x+11
Step-by-step explanation:
Tyler multiplied the numbers when he should've have grouped the similar numbers together
Answer:

Step-by-step explanation:
Recall that
.
Therefore,
.
Answer:
140
Step-by-step explanation:
20+4(s)=
20+4(30)=
20+ 120=
140
Answer:
P =44 + 4xy
Step-by-step explanation:
To find the perimeter of a triangle, add up the three sides
P = 29+15+4xy
P =44 + 4xy
Answer: The third one or C