In ∆ABC, a = 7, b = 5, c = 8. What is the measure of ∠BAC?
The measure of angle ∠BAC = _ °

What is the standard deviation of the following data set rounded to the nearest tenth? 3, 17, 18, 15, 12, 21, 9

Giuseppi's pizza had orders for $931.00 of pizzas. the prices were $21 for a large pizza, 514 for a medium pizza, and $7 for a small pizza. the number of large pizzas was two less than four times the number of medium pizzas. thenumber of small pizzas was three more than three times the number of medium pizzas. how many of each size of pizza were ordered?

How many bananas are in a fruit bowl that has 200 total apples and bananas if there are 31 bananas for every 93 apples