Romia teaches jazz classes. she has 9 students
in each class, and she teaches all the students who
play two instruments. how many students does she
have, and which two instruments does she teach?
-
write math
explain how you could use

Mr. brettler is hanging up a 5-foot tall rectangular welcome sign in the gym. he has drawn a sketch on a coordinate grid. he has the lower vertices of the sign at (9, –3) and (–6, –3). where would the upper vertices be on the grid?

The frequency table shows the results of a survey comparing the number of beach towels sold for full price and at a discount during each of the three summer months. the store owner converts the frequency table to a conditional relative frequency table by row. which value should he use for x? round to the nearest hundredth. 0.89 0.90 0.92 0.96

What is the domain of the step function f(x)=[2x]-1?