Add and subtract the following fractions. Remember to find the LCD first. 1. 1/2 + 1/3
2. 1/6 + 1/8 + 1/3
3. 4/11 + 5/22 + 3/44
4. 3/4 - 3/8
5. 11/15 - 3/5

Aperpendicular bisector, cd is drawn through point con ab if the coordinates of point a are (-3, 2) and the coordinates of point b are (7,6), the x-intercept of cd is point lies on cd.

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!

If x varies directly as y, and x = 7.5 when y = 10, find x when y = 4