Peter paid $12.83 for a DVD. The price of the DVD was $11.99. How much sales tax did Peter pay?

In priyas math class there are 10 boys and 15 girls. what is the ratio of boys to girls in priyas math class? express your answer as a decimal

Heather is riding a quadratic function that represents a parabola that touches but does not cross the x-axis at x=-6

Let d be the domain and let ƒ be the possible function. determine if the relation is an example of a function. d = {x| x is a date, expressed in day/month/year} ƒ(x) = temperature in seattle washington on that date