Find value of x and y

Twice the sum of a number and 4 is equal to three times the difference of the number and 7. find the number.

M.xyz =radians. covert this radian measure to its equivalent measure in degrees.

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.