Mr. and Mrs. Smith went on vacation with $720 to spend. They spent $180
each day, x, and had $45 left at the
end of the vacation. Write an equation
to determine the number of days they
were on vacation.

The diameter of a circular chip is doubled to use in a new board game. the area of the new chip will be

What is the solution of log2  (3x  -  7)  =  3? 4 5

Avery’s piggy bank has 300 nickels, 450 pennies, and 150 dimes. she randomly picks three coins. each time she picks a coin, she makes a note of it and puts it back into the piggy bank before picking the next coin.