On Monday nights, Papa's Pizza offers a special two- for-one deal on its medium two-toppings pizzas. All
pizzas come with sauce and cheese. The customer
can choose any 2 of Papa's 25 toppings to complete
the order. How many different possible pizzas are
there, assuming that the customer must choose exactly
2 different toppings?

Is a positive integer raised to a negative power always positive

Spencer has 1/3 pound of nuts he divides them equally into 4 bags what fraction of a pound of nuts is in each bag

The weight of a radioactive isotope was 96 grams at the start of an experiment. after one hour, the weight of the isotope was half of its initial weight. after two hours, the weight of the isotope was half of its weight the previous hour. if this pattern continues, which of the following graphs represents the weight of the radioactive isotope over time? a. graph w b. graph x c. graph y d. graph z