Don invests $12,000 into an account that pays 8.25% simple interest. How much interest does his account earn after 4 years?

Gregory draws a scale drawing of his room. the scale that he uses is 1 cm : 4 ft. on his drawing, the room is 3 centimeters long. which equation can be used to find the actual length of gregory's room?

If your teacher tells you to do questions 6 through 19 in your math book for homework, how many questions is that

With finding limits of multi variable !