A popular road in California is famous for its steepness and turns. It has been filmed for many car chases. In 1920 the builder decreased the slope from 27% to 14% to fit a 12-15% highway requirement. What is the difference between the length of the old road and the new road if the height of the hill is 600 feet? What is the percent increase?

Pls super important solve the botton one

Phyllis and chen are saving money to go to a football game. each friend starts with some money and saves a specific amount each week. phyllis made a graph to show the total she has saved at the end of each week. chen wrote an equation to show the total, y, he has saved at the end of each week, x. y = 15x + 15 compare the amount that each friend has when both friends start saving. select the correct answer from the drop-down menu to complete the statement. phyllis starts with $ and chen starts with $

Johnny rode his bike to a friends house 4 blocks down the street in his neighborhood. he immediately rode back home once he realized his friend was unable to play. what was his displacement for the total bike ride trip? what could you use as a reference point ? show the steps to solve this problem.