Devaughn's age is two times sydney's age. the sum of their ages is
78. what is sydney's age?

? yearsold

Many random number generators allow users to specify the range of the random numbers to be produced. suppose that you specify that the random number y can take any value between 0 and 2. then the density curve of the outcomes has constant height between 0 and 2, and height 0 elsewhere. (a) is the random variable y discrete or continuous? why?

How do i do this? i don’t understand

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