Astronomy the radius of earth is 6,378.1 km, which is 2,981.1 km greater than the radius of mars. find the radius of mars. the radius of mars is km.

Acar started driving from city a to city b, distance between which is 620 miles, at a rate of 60 mph. two hours later a truck left city b and started moving towards city a at a rate of 40 mph. what distance from city a is the point where the truck and the car will meet?

Which equation expression the relationship between the number of boxes b and the number of cans c and the proportion is 48

50 plz, given the system of equations, match the following items. x + 3 y = 5 x - 3 y = -1 a) x-determinant b) y-determinant c) system determinant match the following to the pictures below.