Explore it Sarah wants to score 78% on her next test. She knows that the test will have 40 questions how many questions does she need to answer correctly

Imogene invested $8,000 in a bank account that pays 8 percent simple interest at the end of each year. her friend invested the same amount in stocks where the growth of the investment is represented as 2,000 times the square root of 2 less than the time lapsed in years. if y1 and y2 represent the amount earned in dollars and t is the time lapsed in years, which system of equations correctly represents the situation?

Consider that lines b and c are parallel. what is the value of x? what is the measure of the smaller angle?

8. kelly wants to buy a magazine that is $25. later the magazine was marked up an additional 20%. what is the new price?