Hope this helps!
28 - 13 = 15
15 x 12 = 180 Fifth graders
Answer:


Step-by-step explanation:
for this equation
a=3
b= -5
c = -7
The sum of equal to

and the product is equal to

. All you do is replace the values. You can prove both of those using the quadratic formula.
This is true. If you count the number of lbs, you get 16 and if you count the number of dollars in the same length, you get $4.