The radius of the Earth is about 4,000 miles. What is the volume of the earth? What is the
surface area of earth?

Student price tickets to a movie are $1 and non student tickets are $2. 350 tickets are sold and the total amount made is $450. how many non student tickets were sold ? a) 100 b) 150 c) 200 d)250

Which equation results from adding the equations in this system? x+6y=9 and -x+2y=-15

Can some one me with these questions