Astudent takes a 20-question, multiple-choice exam with five choices for each question and guesses on each question. find the probability of guessing at least 15 out of 20 correctly. would you consider this event likely or unlikely to occur? explain your answer.

Will used 20 colored tiles to make a design in art class. 5/20 of his tiles were red. what is an equivalent fraction for the red tiles?

Areal estate agent earns $32,000 a year plus $1,000 for each apartment he sells. write an equation that shows the relationship between the number of apartments abe sells,n, and the total amount he earns in a year,e. what is the total amount abe would earn from selling 10 apartments in one year

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