Melinda worked 6.5 hours at her job. She makes $9.50 per hour. How much money did she earn for the day ?

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

Aclassmate thinks that solving a system by graphing gives an exact answer when the lines appear to cross at a grid point, but only an approximate answer when they don't. explain why this isn't true.

The least common multiple is the multiple, other than 0, common to sets of multiples.