$550.00 is what percent of $1580.00 ?

If f(x) = 2x + 8 and g(x) = x4, what is (gº)?

Use the balanced scale to find the number of grams in 17 kilograms.

Alarge cheese pizza costs $18. each topping you add on costs $1.50. how much would it cost to get a large cheese pizza with cc toppings added? write your answer as an expression