F(x)=-3x+1 , find: a. f(1) b. f(-2) put down the steps on how to do it, i'm stuck and my finals are coming up.

Use the radius you found in part i (r=26.8 cm) with the surface area formula below to find the surface area of the sphere. show your work and round your answer to the nearest tenth. the surface area of a sphere: sa = 4πr^2 self note: 3.8.4

What is the order of magnitude for the number of liters in a large bottle of soda served at a party

Some boys and girls were asked if they had a pet. one third of the group were boys. there were 20 boys. 20% of the girls had a pet. boys with a pet : girls with a pet = 1 : 5 i need to know how many girls there are.