How would I find each measure of a regular pentagonal pyramid if each base edge measures 26 CM the slant height is 18 cm and a total surface area is 2333.5 centimeters squared

I need lateral surface area and length of the apothem

The system of equations graphed below has how many solutions?

Astuntman jumping off a 20-m-high building is modeled by the equation h=20-5t^2, where t is the same in seconds. a high-speed camera is ready to film him between 15m and 10m above the ground. for which interval of time should the camera film him?

When a 757 passenger jet begins its descent to the ronald reagan national airport in washington, d.c., it is 3900 feet from the ground. its angle of descent is 6 degrees. how far must the plane fly to reach the run way? a. 37,106 ft b. 37,310.4 ft c. 23,456.6 ft d 2,492.7 ft