Translate the verbal phrase into an expression or equation. 7. The sum of twice a number d and 3 is 12. 7.
8. The product of a number x and 4 8.
9. The quotient of 20 and t 9.
10. Five times the difference of a number and 3 10.

Select true or false to tell whether the following conditional p q is true or false. use the truth table if needed. if a week has seven days, then a year has twenty months.

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

You give a $4 tip for a meal that cost $22. approximately what percent of the bill was your tip?