What does the best fit line estimate for the y value when x is 100

Find the volume of the solid obtained by rotating the region enclosed by the curves y=1x and y=7^-x about the x-axis. (use symbolic notation and fractions where needed.) volume =

Identify this conic section. x2 - y2 = 16 o line circle ellipse parabola hyperbola

Allen wants to buy a hover board that sells for $249.99 and a helmet that is $36.54. how much change will allen receive if he gives the cashier three $100.00 bills?