Ana writes tests to upgrade her level. the test has 25 questions, each multiple choice questions carries 3 points and the descriptive type questions carries 8 points. how many
multiple choice questions and descriptive type questions are there in the test?

Tom and maria typed in words in the ratio of 1 : 5 in 20 minutes. they typed 864 words altogether. find the number of words that each of them typed

You drop a rubber ball off the roof of a 50 meter high building onto a paved parking lot. it bounces back up with every bounce, but not quite all the way back up to you. after the first bounce it bounces back only 80 percent of the distance it was dropped from. the pattern continues, meaning after every bounce it comes up to just 80 percent of the previous maximum height. so if before the first bounce the height is 50 meters, what height does the ball reach after the fifth bounce? round your answer to one decimal place and chose the correct response from the choices below:

The final cost of a sale is determined by multiplying the price on the tag by 75%. which best describes the function that represents the situation?