@apologiabiology pl solve all in need pl solving inequalities

How many different ways can you make change for $.50 using only nickels, dimes, and quarters?

The table shows the balance of a money market account over time. write a function that represents the balance y (in dollars) after t years.

When the solutions to each of the two equations below are graphed in the xy-coordinate plane, the graphs of the solutions intersect at two places. write the y-cordninates of the points of intersection in the boxes below in order from smallest to largest. y=2x y=x^2-3