The speed of light is about 6.71 times 10 with the power of 8 miles per hour. what is it in number standard form?

If the measure of xyz is 81 what is the measure of yz

What’s -11-33k and factor each expression completely

Which graph correctly represents the equation  y=−4x−3? guys me iam not trying to fail summer school and will offer 40 points for who ever me with the next 3 problems and will give brainlest