Janet is buying a $28 necklace. the store reduces the price by 20% and then applies a $2 coupon. how much will janet pay for the necklace? could yoy show your work? i greatly appreciate it.

Amuffin recipe, which yields 12 muffins, calls for cup of milk for every 1 cups of flour. the same recipe calls for cup of coconut for every cup of chopped apple. to yield a batch of 30 muffins, how much flour will be needed in the mix?

Mr. and mrs. wallace have decided to buy a car for $21,600. they finance $15,000 of it with a 5-year auto loan at 2.9% arp. what will be their monthly payment be? a. $268.20 b. $268.86 c. $269.54 d. $387.16 i need !

Angles r and s are complementary. the measure of angle r is 31 degrees. which equation can be used to find angle s?