Peter takes a 6-question, multiple choice exam. Each question has five choices. Assume Peter guessed in all answers. Find the following probabilities: a) He answers all questions correctly.
b) He answers none right.
c) He answers at least one right.
d) He answers at most two right.
e) He answers two or three right.

Ms. sutton recorded the word counts and scores of the top ten essays in a timed writing contest. the table shows her data. how does the word count of an essay relate to its score in the contest? word count tends to decrease as the score decreases. word count tends to increase as the score decreases. word count tends to remain constant as the score decreases. word count has no apparent relationship to the score of the essay.

The table below shows the height of a ball  x  seconds after being kicked.  what values, rounded to the nearest whole number, complete the quadratic regression equation that models the data? f(x)  =  x2  +  x  +  0based on the regression equation and rounded to the nearest whole number, what is the estimated height after 0.25 seconds?   feet

The sum of the reciprocal of a positive number and the reciprocal of 2 more than the number is 3/4 equation: the number is