ABCD is a parallelogram. Find each measure.

1- m<B
2- AD

Indicate the formula for the following conditions: p^c(n,r)=

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 =

Abook store is having a 30 perscent off sale. diary of the wimpy kid books are now 6.30 dollars each what was the original price of the books