Twenty cars go past your house during a 5-minute period. at that rate, how many cars will go past your house during a 15-minute period?

Amountain climber starts a climb at an elevation of 453 feet above sea level at his first rest stop he has climbed 162 feet and by his second rest stop he has climbed another 207 feet its getting late in the day so the climber starts his way down if the climber desends 285 feet how much does he need to ascend or descend to return to the original starting point

Why is x= 4 a solution to the proportion 14/x 56/1 6

What is the equation of a line that passes through points (0, 4) and (-4,-8)?