The restrictions are what the denominator can not be. The denominator cannot be zero. So if the denominator has x+1 in it. If you put -1 in place of x. You would get zero. -1 is a restriction
Cos=adjacent/hypotenuse
Cos30=x/20
x=cos30 *20
Sorry I don’t have a calculator right now
Each friend pays $2250/5 = $450 per month as a shared resident.
60 minutes
find 30 potatoes at the x-axis and look at where the line is at
