50r − 6 = 82r − 70.
a. r=64
b. r= -64
c. r=2
d. r=-2

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.

Plzzz answer both questions and i will give you 100 points

Tatiana reads 40 pages of her book every night for x number of nights. write an expression that shows the number of pages she has read