Answer:
its number 3
Step-by-step explanation:
Answer:
y = 3.3x + 20
Step-by-step explanation:
-2/3x +1/5y = 4 y = mx + b
-2/3x + 1/5y = 4
-2/3 -2/3
1/5y = 2/3 + 4
1/5 / 2/3 = 3.3
1/5 / 4 = 20
y = 3.3x + 20
Answer: 
Step-by-step explanation:

Distribute the negative sign. This basically changes all the signs inside the parentheses.

Combine like terms;

Answer:
Step-by-step explanation:
area=1/2×base×height
A=1/2×54×h=27h
22.31 because A= BH where B is base length and H is Height. Multiply 5.25 by 4.25 and you get 22.31