A two-digit locker combination is made up of two non-zero digits. Digits in a combination are not repeated and range from 2 through 9. Event A = choosing an odd number for the first digit
Event B = choosing an odd number for the second digit
If a combination is picked at random, with each possible locker combination being equally likely, what is P(A and B) expressed in simplest form?
A. 3/8
B. 1/2
C. 4/9
D. 5/9

Abank gives 6.5% interest per year. what is the growth factor b in this situation?

Colby and jaquan are growing bacteria in an experiment in a laboratory. colby starts with 50 bacteria in his culture and the number of bacteria doubles every 2 hours. jaquan starts with 80 of a different type of bacteria that doubles every 3 hours. let x equal number of days. colbys experiment follows the model: a.) y=50*2^x b.) y=50*2^8x c.) y=50*2^12x jaquans experiment follows the model: a.)80*2^x b.)80*2^8x c.)80*2^12x

Acoin bank containing only dimes and quarters has 12 more dimes than quarters. the total value of the coins is $11. how many quarters and dimes are in the coin bank?