Bart found 20 quadrilaterals in his classroom. given that a randomly chosen quadrilateral has 4 right angles what is the probability that the quadrilateral also has 4 equal side lengths?

Someone this asap for a group of students attends a basketball game. * the group buys x hot dogs at the concession stand for $2 each. * the group buys y drinks at the concession stand for $3 each. the group buys 29 items at the concession stand for a total of $70. how many hot dogs did the group buy?

45 was divided by a power of ten to get 4.5. what power of ten was it divided by? people 4.5

Afrequency table of grades has five classes (a, b, c, d, f) with frequencies of 3, 13, 14, 5, and 3 respectively. using percentages, what are the relative frequencies of the five classes?