How many cf (cubic feet) would be moved in one hour using a 2.5 ton fan? select one: a. 10,000 cfh b. 20,000 cfh c. 60.000 cfh d. 100,000 cfh

Need ! give step by step solutions on how to solve number one [tex]\frac{9-2\sqrt{3} }{12+\sqrt{3} }[/tex] number two [tex]x+4=\sqrt{13x-20}[/tex] number three (domain and range) [tex]f(x)=2\sqrt[3]{x} +1[/tex]

Solve the equation using the given values: x= -2.5; y= -7.51. 2xy + 2x²

Given: m∠ adb = m∠cdb ad ≅ dc prove: m∠ bac = m∠bca lol