What is the percent of change from 1,000 to 800?

What is 32+4 x (16 x 1/2) -2 show your work}

18 16 11 45 33 11 33 14 18 11 what is the mode for this data set

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