Domain
Range
Discrete or continuous?

What are the sotions to the quadratic equation 9x^2=4

Evaluate the expression for the given value of the variable 2×(c2-5) for c=4

Someone answer asap for ! the following statements are true about the coins calvin and sasha have collected. * calvin and sasha has the same amount of money. * calvin has only quarters. * sasha has dimes, nickels, and pennies * calvin has the same number of quarters as sasha has dimes. * sasha has $1.95 in coins that are not dimes. exactly how many quarters does calvin have?