The cylinder shown has a volume of 3.14 in3. find the volume of a cone with the same base and height as the cylinder

You dug a hole that was 8 feet deep. after taking a short break, you dug down 3 more feet in the same hole. when finished digging, a tractor accidentally filled the hole with 4 feet of dirt. how deep is your hole now?

Find the maximum value of p= 4x + 5y subject to the following constraints :

Can someone me on this math worksheet about finding the given variable for these angles, and whether the triangles are similar. i really need these answers i’m so confused: ( !