Byron bought a keyless entry door lock that has the digits 0 through 9 on the keypad. He wants to choose a three- digit entry code. How many different combinations are possible, if the digits can be repeated?
A.) 27
B.) 30
C.) 729
D.) 1,000

The hypotenuse of an isosceles right triangle is $14\sqrt 2$. what is the area of the triangle?

The total cost of anja’s trip to the dentist was $628.35. she paid a flat fee of $89.95 which included the checkup and cleaning and then had 4 cavities filled, each of which cost the same amount. which shows the correct equation and value of x, the cost of each cavity filling?

65% of students in your school participate in at least one after school activity. if there are 980 students in you school, how many do not participate in an after school activity?