X+y=5 would be the correct one
2x^2+8xy+8y^2
2(x^2+4xy+4y^2)
The answer is b. All numbers are natural numbers
Correct, because $.6 per ounce works for all of the number of ounces. Times 0.6 for all of the number of ounces on the left side (5,10,15,20) to find the result (cost of detergent)
y=.6x
3 meters is the same thing as 12/4 meters so divide 12/4 by 3/4 to get 4.
