Answer:
Step-by-step explanation:
A
12, 3x3 = 9, +3 =12-3=9+3=12
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:
Area = 30
Step-by-step explanation:
Add the two sides
8 + 4 = 12
Multiply that number by the height
12 × 5 = 60
Divide that number by 2
60 ÷ 2 = 30