There is a bag with only red marbles and blue marbles. The probability of randomly choosing a red marble is 7 12 . There are 72 marbles in total in the bag and each is equally likely to be chosen. Work out how many red marbles there must be.

Beth took out a $20,000 loan for college she is borrowing money from two banks. bank a charges an interest rate of 8.5% bank b charges and interest rate of 10.5% after one year alice owes $1860 in interest how much money did she borrow from bank a

The value √10 and √15 are plotted on the number line

The table represents a linear function. what is the slope of the function? –6 –4 4 6