If a plane uses 20 gallons of gasoline to fly 260 miles, how many gallons will it ned to fly 400 miles? (round to the nearest tenth)

Object A has a mass of 10g and a volume of 8cm cubed. Object B has a mass of 10g and a volume of 6 cm cubed. Which object has a greater density and by how much?

In Addison Rae's class of 25 students, 15 students report that math is their favorite class and 40% of the students report that science is their favorite class. Show your work to explain how to determine whether more students prefer math or science.

11. What is the decimal representation of 2/10?

Estimate square root 15 to nearest tenth!

The inner and outer Radii of a cylindrical pipe are 5 cm and 4 cm respectively. find the area of cross section of the pipe.

Hich expression is a factor of 10x2 + 11x + 3? x - 3 2x + 1 5x - 3 10x + 3

Is 0.4 bigger or 1/2 can u explain this to me

Solve the formula for the indicated variable. C=2 3.14r for r

12 out of 20 doctors agree 15 out of 30 don't agree

If M is a two digit number and N is obtained by reversing M, if M+N = 132, how many values can M have?