There are 42 students in band class. Of those students 35 are girls. Write a proportion that can be used to find the percent that are boys.

You buy five cds at a sale for $5.95 each. write an expression for the total cost of the cds. then use the distributive property and mental math to evaluate the expression.

Jayne is studying urban planning and finds that her town is decreasing in population by 3% each year. the population of her town is changing by a constant rate. true or false?

Asequence is a function whose is the set of natural numbers