if the mesure of one angle created by the intersection of 2 lines is 90 degrees then all 4 of the angles created by the intersection of 2 lines will measure 90 degrees true or false

Thelime contains the point(-3,0) and parallel x-3y=3( show all work)

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.

Which equation is equivalent to the given expression? -(1/2y+1/4) a. -1/4(1+2y) b. 1/4(2y-1) c. -2(1/4y-1/8) d. 2(1/8-1/4y)