Answer:
Not possible
Step-by-step explanation:
To many equal signs!
Area of chalkboard = 4 feet x 6 feet = 24 square feet.
Total cost = 24 square feet x $7.21 per square foot = $173.04
Answer: $173.04
Dude it keeps saying incorrect when i put the answer bro it says it again
m<CAE = 90: definition of perpendicular
p.s. ty for this!