Hello : let A(6,-1) B(-3,-1)<span>
the slope is : (YB - YA)/(XB -XA)
(-1+1)/(-3+6) = 0
the slope is : 0 ...(answer : </span>B.) 0 )
I think you should say you multipliyed?
D. Expenses for a birthday party are not a fixed expense.
By definition, a fixes expense is a bill or something that won't change in the amount of payment. A car payment will always be the same each month; the mortgage will always be the same and car insurance will always be the same each month.
You need to know the length of two sides and the degree of one angle.