At to-go pizza each pizza cost $12 and each small salad costs $2.
a delivery charge of $3 is added to every order. how much would it cost to have 6 pizzas and 3 small salads delivered?

When the ball has traveled a distance of

If the ratio of sum of the first m and n terms of an ap is m2 : n2 , show that the ratio of its mth and nth terms is (2m − 1) : (2n − 1).

Agarden consists of an apple tree, a pear tree, cauliflowers, and heads of cabbage. there are 40 vegetables in the garden. 24 of them are cauliflowers. what is the ratio of the number of cauliflowers to the number of heads of cabbage?