Use the geometric mean to find the 7th term in a geomtric sequence if the 6th term is 75 and the 8th term is 48.

Adepartment store purchases screen-printed t-shirts at a cost of $5 per shirt. they mark up the price 150% (making the selling price 250% of the store's purchase price) and put them on the sales floor. every month that a t-shirt doesn't sell, the store reduces the selling price by 25%.

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

1. evaluate 8x(2)y9(-2) for x=-1 and y=2 2. simplify the equation. -() 3. simplify the expression. [tex]\frac{5}{x(-2) y9(5)}[/tex]