There are 26 letters in the English alphabet and six of them are vowels: a, e,i, o,u, y. In how many ways can the 26 letters of the alphabet be arranged in a line so that there are never four or more consecutive consonants (i. e. non-vowels)?

An initial investment of $100 is now valued at $150. the annual interest rate is 5%, compounded continuously. the equation 100e0.05t = 150 represents the situation, where t is the number of years the money has been invested. about how long has the money been invested? use your calculator and round to the nearest whole number. years

Complete the solution of the equation. find the value of y when x equals to 28 x+3y=28

In order to be invited to tutoring or extension activities a students performance 20 point higher or lower than average for the