Form the intersection for the following sets. R = {10, 15, 20} S = {20, 25} R ∩ S =

Find the domain and range of the f (x) = 3+cos2t

What is 20% higher than 30

At Best Buy they have a 42" sells for $1250 and is on sale for 15% off and the sales tax is 6.5%. What is the final cost?

9 buses of students, teachers and parents went on a field trip. if 5 of the buses held 63 people each and other buses held 54 people each how many people went in all

A set of data with a mean of 64 and a standard deviation of 5.9 is normally distributed. what value is within 3 standard deviation of the mean?

Jorge is baking cookies. The recipe makes 144 cookies. If Jorge and his 5 friends want to divide the cookies evenly, how many cookies will each person get?

For the schools sports day a group of students prepared 21 1/2 lbs of lemonade at the end of the day they had 2 5/8 lbs left over how many lbs of lemonade were sold

The area of a rectangle is 48 square centimeters. The length of the rectangle is 8 centimeters longer than the width. Which equation models this situation? A. 8w=48 B. w+8w=48 C. w+8=48 D. w (w+3) = 48

Tanya drove 312 hours and used 13 tank of gas. For how long could Tanya drive using 12 tank of gas? In simplest form.

What are you finding when you take the derivative of a function?