From a tank containing 935 gallons of water, 648 gallons were drawn off, after which 247 gallons ran in. How many gallons were in the tank?

A. 90 degrees b. 45 degrees c. 30 degrees d. 120 degrees

Write and solve a real word problem that involves determining distance on a coordinate plane

Triangles abc and dfg are given. find the lengths of all other sides of these triangles if: b ∠a≅∠d, ab·dg=ac·df, ac=7 cm, bc=15 cm, fg=20 cm, and df-ab=3 cm.