A sphere has radius 0.3cm. Calculate the surface area of the sphere.
Give your answer to 1 decimal place.​

Fredrick designed an experiment in which he spun a spinner 20 times and recorded the results of each spin

The reflexive property of congruence lets you say that ∠pqr ≅

When you have 25 numbers, and jake picks 3 random numbers and puts them back, what is the chance bob has of picking those 3 numbers when he picks 6 random numbers (without putting them back)? explain.