Tina had a job during her summer vacation. She earned $6.50 per hour. She worked 20 hours per week for 8 weeks. How much money did Tina earn?

11. a particular type of cell doubles in number every hour. which function can be used to find the number of cells present at the end of h hours if there are initially 4 of these cells? a. n = 4 ()" b. n = 4(2)" c. n = 4 + (2)" din = 4 +"

Through non-collinear points there is exactly one plane.

How are algebraic expressions evaluated using substitution?