Find the Lateral surface area for a rectangle prism of a length 13 in , a width of 10 in and a height of 20 in ?

Describe the possible echelon forms of the standard matrix for a linear transformation t where t: set of real numbers is onto.

Evaluate cos2θ for cosθ = square root of 3/2

Kaitlin is on s long car trip.every time she stops to buy gas,she loses 15 minutes of travel time.if she has to stop 5 times,how late will she be getting to her destination?