The coaches of a group of debate teams answered a survey about hours of debate, team practice and number of team wins. The graph shows the results of this survey. Based on these results, if a team practices 4 hours per week next season, which is
the best estimate of the number of debates the team can expect to win?
A. 20
B. 16
O c. 12
D. 1

Segment xz is bisected by point y. if xy = 12x, and the measure of xz = 18x – 6, solve for x

Evaluate the expression for the given value of the variable 7a - 4a for a =8

Lance lived in portugal and brazil for a total of 14 months to learn portuguese. he learned an average of 130 new words per month when he lived in portugal, and an average of 150 new words per month when he lived in brazil. in total he learned 1920 new words. write a system of equations to represent the situation. use x to represent portugal, and y to represent brazil