You go shopping at Target and buy a board game...yes a board game. It cost $21.65. There is a 9% sales tax. What is the total cost of the game?

What is the definition of exponential decay?

Arley is building a model of a city map. in one part of the city, three roads form a right triangle, which harley draws as triangle abc, with the following measures: m∠b=90° and m∠a=30°. in his scale model, the hypotenuse of triangle abc, ac¯¯¯¯¯¯¯¯, has a length of 817−−√ cm. what is the value of a (the length of bc¯¯¯¯¯¯¯¯)?

If jaime wants to find 60% of 320, which table should he use?