The answer itss b= 41.5 units
Jack needs 72 feet of fencing.
You had to do 4 ft x 18 ft which would give you the answer of 72. To find the area of a rectangle you do length x width.
Answer:
y = -2x + 10
Step-by-step explanation:
8x + 4y = 40
4y = -8x + 40
y = -2x + 10
