In the winter you switch from mowing lawns and washing cars to shoveling driveways and baking bread. In one hour you can bake 10 loaves of bread or shovel 2 driveways. What is your opportunity cost for shoveling one driveway?

What dimensions can créate more than one triangle ?

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?

Solve the equation by completing the square. x^2+2x=17