The endpoints of a diameter of a circle are A(1,3) and B(7,11). Find the area of the circle in terms of pi

Complete the solution of the equation. find the value of y when x equals to 6 4x+y=20

Many newspapers carry a certain puzzle in which the reader must unscramble letters to form words. how many ways can the letters of emdangl be arranged? identify the correct unscrambling, then determine the probability of getting that result by randomly selecting one arrangement of the given letters.

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