To compare two sets of data that are reported as frequency in groups?
scatterplot
histogram
bar graph
line graph
pie chart

Factor completely. 4p^2 + 36p + 81 express the answer in the form (ap + b)^2

How many different three-digit numbers can be formed using the digits 1 comma 2 comma 9 comma 6 comma 4 comma 3 comma and 8 without repetition? for example, 664 is not allowed.

Tim's phone service charges $26.39 plus an additional $0.21 for each text message sent per month. if tim's phone bill was $31.64, which equation could be used to find how many text messages, x, tim sent last month?