John has $40 to spend at the yard sale. he buys 6 books for $2 each. he would like to spend the rest of his money on model cars for his collection. if he cars cost $7 each, how many can he buy? explain.

The table shows the number of students who signed up for different after school activities. activity students cooking 9 chess 4 photography 8 robotics 11 select the true statements about the information in the table.

Aadc is formed by reflecting aabc across line segment ac, as shown in the figure. if the length of ac is 4 units, the area of aadc is square units.

12 out of 30 people chose their favourite colour as blue caculate the angle you would use for blue on a pie chart