A man is standing next to a tree. The shadow cast by the tree is four times longer than the man’s shadow. If the man is 2 meters tall, how tall is the tree?

In the equations, a and b represent the price per night for a room in hotel a and hotel b, respectively, w weeks after september 1 last autumn. what was the price per night in hotel a when it was equal to the price per night in hotel b? a = 240 − 20w b = 320 − 30w

What is the value of x in the equation 1.5x+4-3=4.5(x-2)?

Solve the system of equations using the substitution method. {y=−3x+7x=−2y−16 enter your answers in the boxes.