HELP PLEASE ITS DUE TODAY!

I'll give brainliest.

Idont get this question can someone me solve it? ** the distance light travels in one second (1 light second) is about 1.86 ×10^5 mi. saturn is about 475 light-seconds from the sun. about how many miles from the sun is saturn..my guess is 8.83* 10^7 you so much

Simply 8x squared + 5(7x squared- x) - 2x =

What is the volume of a cone with a height of 6 cm in the radius of 2 cm