A teacher surveys her students to find out whether they prefer riding a bike or playing soccer. The two-way table
shows some of her data.
Total
Boys
Girls
Total
Riding a Bicycle Playing Soccer
25
26
22
I
I
?
Based on her data, the teacher conclude that if a girls is chosen at random from this sample, there is a 56%
probability that she prefers playing soccer.
What is the total number of students the teacher surveyed?
Total number of students =

Which is the equation of an ellipse with directrices at x = ±4 and foci at (2, 0) and (−2, 0)?

Phyllis and chen are saving money to go to a football game. each friend starts with some money and saves a specific amount each week. phyllis made a graph to show the total she has saved at the end of each week. chen wrote an equation to show the total, y, he has saved at the end of each week, x. y = 15x + 15 compare the amount that each friend has when both friends start saving. select the correct answer from the drop-down menu to complete the statement. phyllis starts with $ and chen starts with $

Empty box + box + empty box fill in the box is equal to 30 how