Berto invested in a precious mineral. The value of the mineral tends to increase by about 11% per year. He invests $40,000 in 2015.

How much more will his investment be worth in 2020?

Round to the given place: 3,119,687 (hundred thousands)

Are decimals 0.4 and 0.40 equal explain

Carmen reads 6/7 of a page in her library book in 12/5 minutes. At this rate, how many minutes does it take her to read the whole book if it has 140 pages?

Mei works as a tutor during the school year. She charges her next door neighbor $9 an hour, which is a 40% discount from her regular hourly rate. What is the hourly rate, h, Mei Charges before the discount?

Suppose that you draw 3 cards without replacement from a 52 card deck. What is the probability that all 3 cards are aces?

What is the ratio of 30 to 66 in simplest form

The vertices of a quadrilateral are A (-5,3), B (2,2), C (4,-3) and D (-2,-2). How can you use slope to determine whether the quadrilateral is a parallelogram? Is it a Parallelogram? Justify your answer.

Charlie is at a small Airfield watching for the approach of a small plane with engine trouble he sees a plane at an angle of elevation of 32 at the same time the pilot radius radios Charlie and reports a plane's altitude is 1700 ft Charlie's eyes

Y=k/x, when y=2, x=5 a) Calculate the value of k b) Calculate the value of x when y=0.5.

Isabella spends $4.87 on paintbrushes and paint. How many of each does she buy