8^2x+1=4^1-x what is the solution

Determine the difference: 3.2 × 1010 – 1.1 × 1010. write your answer in scientific notation.

Helena lost her marbles. but then she found them and put them in 44 bags with mm marbles in each bag. she had 33 marbles left over that didn't fit in the bags.

Select the conic section that represents the equation. 3x2 + 3y2 -2x + 4 = 0