13
The product of 2 numbers is when you multiply them together. 12x2=24
The quotient of 2 numbers is when you divide them. 45/5=9
24-9=13
Well x is an obtuse angle
but the angle e,f,g is an acute angle
Do what? I can't see a question
Percents to a decimal is easier to understand just take the percent so say it is 35% the decimal form would be .35 or 5% .05, and for the percent to a fraction just take the percent such as 30/100 and make sure it is in the simplest form to solve so that would be 3/10.