Need answer fast please I will give brainliest to first person with answer

Gabrielle's age is two times mikhail's age. the sum of their ages is 84. what is mikhail's age?

Afarmer has decided to divide his land area in half in order to plant soy and corn. calculate the area of the entire area so he knows how much soil is needed. each bag of soil covers 20 square yards. how many bags should the farmer purchase? (4 points) 1 bag 2 bags 3 bags 4 bags

Describe a situation where it would be beneficial to round decimals to the nearest dollar. explain why you would use rounding in that situation.