Omar puts $8,000 in a savings account. The account earns 6% simple interest each year. How much interest will Omar earn in 4 years?

Need ! the total ticket sales for a high school basketball game were $2,260. the ticket price for students were $2.25 less than the adult ticket price. the number of adult tickets sold was 230, and the number of student tickets sold was 180. what was the price of an adult ticket?

Arectangle has a width of 5 cm and a length of 10 cm. if the width is increased by 3, how does the perimeter change?

3x + 4y = 5 x- 3y = -7 solve by substitution