The y intercept in this graph is (0,1) ad the only equations that fit this are a and c.
To figure out whether it is a or c, find the slope. The line of the equation is going up, so he slope is positive. Equation c has the positive slope.
EQUATION C
25,000 + 600 considering they would meet at 0, so they are 25,600 feet apart
Yes, as one half or 1/2 is also 10/20. 11/20 is greater than half by a 10% margin.
80+10x is the expression. To find the cost for 9 guests, simply plug in 9 for x. This becomes an equation reading 80+10(9)=170. The total cost for 9 guests is $170.00.
