Which of the following are equal to 393,500? 3.935 x 10-⁵
3.935 x 10⁵
0.3935 x 10-⁶
39.35 x 10-⁴

Standard deviation of 19,29,21,22,23

Tabby sells clothing at a retail store, and she earns a commission of 6.25% on all items she sells. last week she sold a pair of jeans for $32.50, a skirt for $18.95, and 2 blouses for $14.95 each. what was tabby's total commission? a $4.15 b $5.08 c $81.35 d $348.60

Hell . what are the solutions to `10x^2 - 38x - 8 = 0`? is this when i find the factors and use the numbers within the factors to determine the zeros? i hope that made sense lol