Steve traveled the first 7 hours of his journey at 40 mph and
the last 9 hours of his journey at 50 mph. How long is the
whole journey in miles?

Select 2 statements that are true about the equation y+6=-10(x-3).1) the slope of the line is -102) the slope of the line is 33) one point on the line is (3,6)4) one point on the line is (3,-6)

Arestaurant charges $100 to rent its banquet room for an event. it also charges $15 to serve dinner to each guest. write an equation for the total cost of the banquet room in terms of the number of guests. deine your variables. what is the total cost of the banquet room for 20 guests?

How do i simply this expression (quadratic formula basis) on a ti-84 or normal calculator?