SOMEONE PLEASE HELP ME

find the measure of angle 2
write an eqaution showing how you found the measure of angle 2
find the measure of angle 3
write an eqaution showing how you found the measure of angle3

16. you're planning to buy a boat, a motor, and some miscellaneous boating equipment. the boat costs $325, the motor costs $225, and the equipment costs $79. if you've saved $438 toward these purchases, how much more do you need to save? a. $181 b. $281 c. $291 d. $191

Iknow its nothing to do with education, but what type of thing should i wrote here? ? : ) its for mcdonald's btw.

How many liters of peroxide should be added to 12 liters of an 8% peroxide solution so that the resulting solution contains 16% peroxide?   original added new amount of peroxide 0.96 liters x 0.96 + x amount of solution 12 liters x 12 + x 0.18 liter 1.14 liters 1.92 liters 2.10 liters