50 part-time students were asked how many courses they were taking this term. The (incomplete) results are shown below: # of Courses Frequency Relative Frequency Cumulative Frequency

1 21 0.42

2 18

3

a. Complete the table.

b. What percent of students take exactly three courses?

%

Which shows a reasonable estimation for 124% of 42 using the distributive property?

Emily works as a painter. for each job, it takesher 30 minutes to prepare an interior wall ofa house before she paints and 2 minutes persquare yard to paint that will. the graph belowshows the total time it would take her to do a job,based on the total area of the wallhow long does it take her to do a job when she paints a wall with an area of 15 square yards?

What is the the area of this triangle expressed as a monomial?