An express train also travels 350 miles but at a different constant speed. The express train completes the trip in 80 percent of the time it took the passenger to travel 350 miles. What is the express train's speed in miles? explain your reasoning

Hello i need some with trigonometric substitutions. [tex]\int\limits^a_b {x} \, dx[/tex]

Brent needs to paint a logo made using two right triangles. the dimensions of the logo are shown below. what is the difference between the area of the large triangle and the area of the small triangle? (1 point) select one: a. 4.5 cm2 b. 8.5 cm2 c. 16.5 cm2 d. 33.0 cm2

Which is a graph of a proportional relationship?