Raffle tickets are being sold for a fundraiser. The function a(n) relates the amount of money raised to the number of tickets sold, n.

It takes as input the number of tickets sold and returns as output the amount

of money raised.

a(n) = 3n-20

Which equation represents the inverse function n(a), which takes the money

raised as input and returns the number of tickets sold as output?

Which undefined geometric term is described as a location on a coordinate plane that is designed by an ordered pair (x, y) ?

Solve 2^x=32 and rewrite this equation in a logarithmic form

Ariana starts with 100 milligrams of a radioactive substance. the amount of the substance decreases by 20% each week for a number of weeks, w. the expression 100(1−0.2)w finds the amount of radioactive substance remaining after w weeks. which statement about this expression is true? a) it is the difference between the initial amount and the percent decrease. b) it is the difference between the initial amount and the decay factor after w weeks. c) it is the initial amount raised to the decay factor after w weeks. d) it is the product of the initial amount and the decay factor after w weeks.