"If the radius of the closed cone is doubled, show algebraically how this affects the surface area in comparison to the original cone." How do I do this question?

Δabc is reflected across line l to form δ alblcl, and a¯¯¯al¯¯¯¯ intersects line l at point d. which equation is not necessarily true?

Mr. and mrs. wallace have decided to buy a car for $21,600. they finance $15,000 of it with a 5-year auto loan at 2.9% arp. what will be their monthly payment be? a. $268.20 b. $268.86 c. $269.54 d. $387.16 i need !

The legs of a right triangle measure 6 meters and 8 meters. what is the length of the hypotonuse.