The row-echelon form of the augmented matrix of a system of equations is given. Find the solution of the system. (1 0 -5 -4 0 1 5 1 0000

In an experiment you are to flip a two sided coin 100 times and record 55 heads up and 45 tails up determine the theoretical and experimental probability of getting a heads up in the experiment.

Handsome jack is buying a pony made of diamonds. the price of the pony is p dollars, and jack also has to pay a 25% diamond pony tax. which of the following expressions could represent how much jack pays in total for the pony?

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