25:1 is the constant of proportionality between the number of square yards of grouse to be covered and the number of scoops of grass seed needed.
This was found by reducing the any of the 4 provided proportions, each would end up leading you to 25/1
Answer:
a = 
Step-by-step explanation:
Using the rule of exponents
×
=
, then
x ×
=
=
=
, so
= 
Since the bases on both sides are x, then equate the exponents.
a = 
The ones that apply are x-2 and x+3 as these are the factors of x2 - x - 6
I can answer 1 it would be 2.5x+5y=20