Mark owns a personal training business. He makes a total of $500 for every 3 clients he acquires. How much money will 21 clients bring in?

If f(x)=-x^2+6x-1 and g(x)=3x^2-4x-1,find(f+g)(x)

Nicole purchased a container of cashews that weighs 5 kilograms. zion purchased a container of cashews that weighs 4,900 grams. how many more grams of cashews did nicole purchase?

Sole the equation 6n + 9 = -3n - 21 - 6 for n