Choose the expression that could be used to solve this problem. davin spent $8.40 for gasoline. he saw gas priced at $1.40/gal and $1.60/gal. how many gallons could he have bought at either place?

Write the slope-intercept form of the line that passes through the point (1, 0) and is parallel to x - y = 7. t

Afamily has five members. a mom, a dad, two sisters, & a brother. the family lines up single file. what is the probabillity that the mom is at the front of the line

Ascientist places 24 cells in a petri dish. she knows the cells grow at an exponential rate, doubling in number every hour. how long will it take (in hours) for there to be 1100 cells in the dish? time to 1100 cells: 5.51832530 hours how long will it take to reach 110 cells? time to 110 cells : 2.1963972 hours what is the average rate of change in the number of cells between 9 hours and 11 hours? average rate of change: cells per hour what is the instantaneous rate of change after 7 hours? instantaneous rate of change: cells per hour note: you can earn partial credit on this problem.