5 litres of paint cost 210 work out the cost of 50 L of paint​

The ratio of the measures of the three angles in a triangle is 2: 9: 4. find the measures of the angels

Will mark ! (10 points also! ) if x varies inversely with y and x =6 when equals y= 10, find y when x=8 a. y=4.8 b. y=7.5 c. y=40/3 d. y=4/15

Tanyss's house has 25 windows. her brother has washed 22 of the windows. what percent of the windows has her brother washed?