Latoya's penny bank is 3/10 full. After she adds 400 pennies, it is 4/5 full. How many pennies can Latoya's bank hold?

Harry’s soccer team plays 2 nonconference games for every 3 games that they play against conference opponents. if y represents the number of nonconference games and x represents the number of conference games, which equation best models this proportional relationship? a)y=2/3 x b)y=3/2 x c)y = 2x d)y = 6x

If cos(2x) = tan^2(y), show that cos(2y) = tan^2(x).

Adesigner charges a one time fee of $200 plus $40 an hour for each project. write an expression to represent how much money the designer will make for a project