Maya decides to use the method of proportions and similar triangles to find the height of a tower. She measures the length of the tower's
shadow and finds it is 20 feet long. Then she holds a 12-inch ruler
perpendicular to the ground and finds that it casts a 4-inch shadow.
How tall is the tower?
a. 2.4 ft c. 60 ft
b. 5 ft d. 240 f

Quadrilateral wxyz is on a coordinate plane. segment yz is on the line x+y=7 and segment xw is on the line x+y=3. which statement proves how segments yz and xw are related

One month, a music site observed that 60% of the people who downloaded songs from its site downloaded q sam's latest single. the equation below represents this information, where x represents the total number of people who ddownloaded songs from the site that month: x = 0.6x + 384 how many people who downloaded songs from the site that month downloaded q sam's latest single?

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. how many hours after the truck's departure will the two meet?