The ages and grades of some of the 19 girls on a club soccer team are shown in the table.
15 years old
16 years old
2.
0
9th grade
10th grade
10
Which two-way frequency table correctly shows the marginal frequencies?
15 years
16 years
Total
old
old
A.
2.
0
2.
9th grade
10th grade
Total
9
10
19
11
10
21
16 years
15 years
old
Total
B.
old

Monica build a remote control toy airplane for science project to test the plane she launched it from the top of a building the plane travel a horizontal distance of 50 feet before landing on the ground a quadratic function which models the height of the plane in feet relative to the ground at a horizontal distance of x feet from the building is shown

Aschool puts on a play. the play costs $1,200 in expenses. the students charge $4.00 for tickets. there will be one performance of the play in an auditorium that seats 500 people. what is the domain of the function that shows the profit as a function of the number of tickets sold?  

Complete the solution of the equation. find the value of y when x equals to 6 4x+y=20