The correct answer will get brainliest. ceres is an asteroid with a mass of 8.7 x 10^20 kg that is 2.767 au from the sun. how many kilometers away is it from the sun? a: 4.15 x 10^8 km b: 5.8 x 10^9 km c: 54.21 x 10^6 km d: 1.84 x 10^7 km

In the polynomial below, what number should replace the question mark to produce a difference of squares? x2 + ? x - 36

Olga bought a new skirt that cost $20. sales tax is 5%. how much did olga pay, including sales tax? 7.

Add, subtract, multiply, or divide as indicated. list any restrictions for the variable(s) and simplify the answers when possible. 1) x-2 / x+5 + 3x / 2x-1 2) x+6 / x-6 - x^2 / x+6 3) x+9 / x-4 + x+2 / x^2-11x+28 4) x / x^2-64 + 11 / 2x^2+11x-40 5) 5 / x + 11 / x-3 - x-4 / x^2+2x-15