Mike's grandmother opened a savings account in mike's name and deposited some money into the account. the account pays an annual simple interest rate of 8%. after 12 years, the interest earned on the account was $3,840. how much money did mike's grandmother deposit in the account?

Afurniture manufacturer produces chairs and sofas. each chair requires 10 yards of fabric, and each sofa requires 20 yards of fabric. the manufacturer has 300 yards of fabric available. to fulfill orders, the number of sofas must be at least twice the number of chairs. let x be the number of chairs and y the number of sofas. which inequalities are described in the problem? check all of the boxes that apply

What is the image of c for a 90° counterclockwise rotation about a? (3, 7) (-1, 3) (7, 3)

At the "no mutants allowed" country farm, every sheep has 4 legs, every chicken has two legs, and all animals have only 1 head. asked to count how many sheep and chicken are in the fields, a farm boy reports back that there are 140 feet and 50 heads. how many sheep and chicken are there? there are sheep and chicken at the farm.