Need help!! “Use the Pythagorean theorem to find the missing side of the right triangle.”

Use composition to determine if (x) or h(x) is the inverse of f(x) for the limited domain x2-1.

What is the difference between the equations of a vertical and a horizontal line?

Plz answer asap! i will reward brainliest and 12 points for these three questions!take notice: these three questions are completely different! 1) what is the percentage of sugar in the syrup made of 10 kg of water and 4 kg of suugar? 2) what was the original price if after 10% discount it became $450? 3) at first a price was decreased by 12%, then it was disounted again by an additional 5%. what is the percent of the total discount? , and remeber i will award brainliest and 12 points!