Answer:
The price per square foot is $0.50
Step-by-step explanation:
step 1
Find the area of the canvas
The area of the rectangular canvas is equal to

we have


substitute

step 2
Find the price per square foot
Divide the cost by the area
so

Answer:
k=-5 or k= -13
Step-by-step explanation:
lk+9l=4
k+9=4 or k+9=-4
k=-5 or k= -13
Answer:
Addition should be performed last, because of PEMDAS.
Step-by-step explanation:
in pemdas multiply/divide comes before add/subtract so therefore you would multiply 7 x 4 first, even though addition comes before it in the problem.
-10 Celsius is greater since the greater the negative the more cold it gets. And for b just look at the temperature gage its equal in Fahrenheit is -11.