Need your help, if you could help thanks! <3

What is the length of the segment joining the points at (4,5) and (6,-2) round to the nearest tenth if necessary

Suppose a pendulum is l meters long. the time,t,in seconds that it tales to swing back and forth once is given by t=2.01

Two rectangular prisms have the same volume. the area of the base of the blue prism is 418 4 1 8 square units. the area of the base of the red prism is one-half that of the blue prism. which statement is true?