At the beginning of a laboratory experiment, the temperature of a substance is - 12.6 degrees celsius. During the experiment, the temperature of the substance decrease 7.5 degrees celsius. What is the final temperature of the substance?

A country currently has a population of 100 million and an annual growth rate of 3.5 percent. If the growth rate remains constant, what will be the population of this country in 40 years

What's greater - 5 or - 9

Order from least to greatest 2/5, 2/10, 8/10 and 3/5

The price of gas has been increasing over the last month. Renee believes there is a positive correlation between the number of predicted storms and the price of gas. Number of Storms Predicted Gas Price 1 $2.34 3 $2.44 3 $2.49 6 $2.56 7 $2.

A piece of wire four fifths m long is to be cut into 12 pieces of the same length. What is the length of each piece?

Using the greatest common factor for the terms, how can you write 80 + 32 as a product? A) 4 (20 + 8) B) 8 (10 + 4) C) 16 (5 + 2) D) 18 (4 + 2)

Factor the polynomial. 2x3 + 4x2 + 8x A. 2x (x2 + 2x + 4) B. x (2x2 + 4x + 8) C. 2x3 + 4x2 + 8x D. 2x2 (x + 2x + 4)

Combine terms: 12a + 26b - 4b - 16a. (a) 4a + 22b, (b) - 28a + 30b, (c) - 4a + 22b, (d) 28a + 30b. Solution: 12a + 26b - 4b - 16a. = 12a - 16a + 26b - 4b. = - 4a + 22b.

Sue wrote the number 43,671. jack also wrote a 5 digit number. Jack's number has only one 3 in it. the 3 in jack's number is worth 10 times as much as the 3 in sue's number. write two different numbers that jack could have written.

A beekeeper's hives are making Honey at a constant rate. The profit from honey can be represented by the equation P (t) = - 16t^2 + 2050t + 150, where t is the time in days and P (t) is the profit the beekeeper receives.