I need ur help ASAP Maria is saving up to go on a trip to Washington DC at the end of her 8th grade year. She puts $2800 into her account at the beginning of her 6th grade year. She gets 3% simple interest for the next 3 years- how much does she have in her account?

Can someone me and do the problem plz so i can understand it more better

Use the quadratic formula to solve the equation. if necessary, round to the nearest hundredth. x^2 - 23 = 10x a. -1.93, 11.93 b. 1.93, -11.93 c. 1.93, 11.93 d. -1.93, -11.93

Acampus club held a bake sale as a fund raiser, selling coffee, muffins, and bacon and eggs sandwiches. the club members charged $1 for a cup of coffee, 3$ for a muffin , and $4 for a back. and egg sandwich. they sold a total of 55 items , easing $119. of the club members sold 5 more muffins than cups of coffee, how many bacon and egg sandwiches he’s did they sell