1. dorothy bought a teddy bear and sold it at a 20% profit to kim. kim bought a suit costing $100 and dressed the teddy bear up in the suit. kim then sold the teddy bear in the suit to karen for $442. kim made a profit of 30%. how much did dorothy pay for the teddy bear? and why?

2. if x is less than y by 25%, then y is more than x by __%? and why?

Answer this 30 points and brainliest!

Find the exact value of each of the following. in each case, show your work and explain the steps you take to find the value. (a) sin 17π/6 (b) tan 13π/4 (c) sec 11π/3

Astudy was interested in determining if eating milk chocolate lowered someone's cholesterol levels.ten people's cholesterol was measured. then, each of these individuals were told to eat 100g of milk chocolate every day and to eat as they normally did. after two weeks, their cholesterol levels were measured again. is there evidence to support that their cholesterol levels went down? how should we write the alternative hypothesis? (mud = the population mean difference= before - after)a. ha: mud = 0b. ha: mud > 0c. ha: mud < 0d. ha: mud does not equal 0