Ann is grouping 38 rocks. she can put them into groups of 10 rocks or as single rocks. what are the different ways ann can group the rocks?

Janet drove 300 miles in 4.5 hours. write an equation to find the rate at which she was traveling

Identify the initial amount a and the growth factor b in the exponential function. a(x)=680*4.3^x

Tony is charged $ 50 and additional $0.15 per miles for renting a car. a) represent the cost of renting a car with an equation,and the determine the cost if he drove it70 miles.b) what would be the cost of a car rental if the car was driven 250 miles? show work