Choose a number line below to model the situation: After eating a 100-calorie snack, Mark exercised to burn 100 calories.

A horizontal number line is shown with labels at 0, 100, and 200. A blue arrow (labeled eats 100-calorie snack)begins at 0 and ends at 100. A red arrow (labeled burns 100 calories) begins at 100 and ends at 200.
A horizontal number line is shown with labels at 0, 100, and 200. A blue arrow (labeled eats 100-calorie snack) begins at 0 and ends at 100. A red arrow (labeled burns 100 calories) begins at 200 and ends at100.
A horizontal number line is shown with labels at negative 100, 0, and 100. A blue arrow (labeled eats 100-calorie snack) begins at 0 and ends at 100. A red arrow (labeled burns 100 calories) begins at 0 and ends at negative 100.
A horizontal number line is shown with labels at 0 and 100. A blue arrow (labeled eats 100-calorie snack) begins at 0 and ends at 100.A red arrow (labeled burns 100 calories) begins at 100 and ends at 0.

1. a driveway has a 15° grade. if the driveway is 40 meters long, how much does the driveway rise? (nearest tenth of a meter) 2. a person located 4 miles from a rocket launch site sees a rocket at an angle of elevation of 32°. at that moment, how high is the rocket above the ground? (nearest tenth of a mile) 3.an airplane approaches an airport landing strip with an angle of depression of 12°. if the airplane is flying at an altitude of 20,000 feet, find the distance on the ground that the plane will need to land. (nearest 1,000 feet) 4.two buildings are located on opposite sides of the street, 40 meters apart. the angle of elevation from the top of the shorter building to the top of the taller building is 53°. if the taller building is 300 meters tall, what is the height of the shorter building? (nearest meter) 5.george is 187 cm tall. his son, ralph, is 142 cm tall. who casts the longer shadow. george when the sun is 65° above the horizon, or ralph when the sun is 56° above the horizon? how much longer? (nearest centimeter)

Alawn mower manufacturer incurs a total of 34,816 in overhead costs and 388 per lawn mower in production costs. how many lawn mowers were manufactured if the average cost of productions is 660

Sienna planned a trapezoid-shaped garden, as shown in the drawing below. she decides to change the length of the top of the trapezoid-shaped garden from 32 ft to 24 ft. which expression finds the change in the scale factor?