Answer:
x-the cost of one pizza
y-the cost of delivery
2x+y=25
5x+y=58 ->3x=33->X=11->y=3
so,the number of delivered pizzas to the person
num=(80-3)/11=7
Step-by-step explanation:
Natural foods contain substances that protect the body against diseases, and are often more satisfying than supplements.
Step-by-step explanation:
40%of total students

16 students who have dogs they don't have cats.
Answer:
y = 1/2x -4
Step-by-step explanation:
Slope intercept form is y = mx+b where m is the slope and b is the y intercept
2x-4y = 16
Subtract 2x from each side
2x-4y-2x = -2x+16
-4y =-2x+16
Divide each side by -4
-4y/-4 = -2x/-4 +16/-4
y = 1/2x -4
The slope is 1/2 and the y intercept is -4
9/12 matches to 3/4 For questions like this I like to use apps like Socratic, it shows answers from multiple sites and can solve almost any question.