Megan has $1.10 in dimes, nickels and pennies. she has 3 times as many nickels as pennies and the number of dimes is 2 less than the number of pennies. how many dimes, nickles and pennies does she have?

Amerchant has coffee worth $60 a pound that she wishes to mix with 50 pounds of coffee worth $90 a pound to get a mixture that she will sell for $70 a pound. how many pounds of the & 60 coffee should be used?

When only separate discreet points are graphed it is called?

What is the expression in factored form? -20x^2 - 12x a. 4x(5x+3) b. -4x(5x-3) c. -4(5x+3) d. -4x(5x+3)