1. A 100-foot sandwich is cut into 2 pieces (a and b). Piece a is 2ft less than 5 times the length of piece b. (a) What is the system of equations that models this situation?
(b) Solve the system of equations. How long in piece a and piece b?
Full sentence please

What term best describes a line and a point that lie in the same plane? a. congruent b. coplanar c. collinear d. equal

Two cars which are 40 miles apart start moving simultaneously in the same direction with constant speeds. if the speed of the car which is behind is 56 mph and the speed of the other car is 48 mph, how many hours will it take for the car which is behind to catch up the car ahead of it?

Which has the greater energy, light of wavelength 519 nm or light with a frequency of 5.42 x 10^8 sec^-1?