It cost $350 to rent a room for a party. you also want to hire a caterer. the caterer charges $8.75 per person. write and solve a linear equation to find the total cost for inviting 50 people to the party

In triangle abc, the length of side ab is 12 cm, the length of side bc is 5 cm, and the length of side ca is 9 cm. find the measure of angle a using the law of cosines.

1. writing an equation for an exponential function by 2. a piece of paper that is 0.6 millimeter thick is folded. write an equation for the thickness t of the paper in millimeters as a function of the number n of folds. the equation is t(n)= 3. enter an equation for the function that includes the points. (-2, 2/5) and (-1,2)

How many solutions does the nonlinear system of equations graphed below have? a. one b. zero c. four d. two