John buys a pizza from the pizza house. He is charged $8 for a medium thin crust pizza and $1.50 per topping. The total for John's pizza was $15.50. Write and solve an equation to determine how many toppings John ordered for his pizza.

The scatter plot shows the number of animal cells clara examined in a laboratory in different months: plot ordered pairs 1, 20 and 2, 60 and 3,100 and 4, 140 and 5, 180 what is the approximate predicted number of animal cells clara examined in the 9th month?

Anita has a success rate of 80% on free throws in basketball. she wants to know the estimated probability that she can make exactly four of five free throws in her next game. how can she simulate this scenario? categorize each simulation of this scenario as correct or incorrect.

Find the area of the region between a regular hexagon with sides of 6" and its inscribed circle.