Prove that for any natural n the value of the expression (n+7) ^2-n^2 is divisible by 7.

5/6 is equivalent to a percent that is larger than 100%. True False

Why is the percent increase from 45 to 75 not equal to the percent decrease from 75 to 45? Select three The amount of change is different for the percent increase and the percent decrease.

8s in 5,188 what is the answer

These triangles are similar. find the missing length, h. 7*6*7/2. 1*h*1/2

Joshua's math textbook weighs 43.21 ounces. His social studies book weighs 38.99 ounces. What is the difference in weight between the two books?

The bear population in RI has been increasing by 8% each year. In the year 2010 there were only 20 bears spotted in RI. Based on this info, a. create a function a (t) that represents the bear pop, t years since 2010 b. determine bear pop in 2020 c.

A ladder leaning against a house makes an angle of 30° with the ground. the foot of the ladder is 7 feet from the foot of the house. how long is the ladder?

Would you rather have 40 hours a week of video game time or 40% of your week?

Round 217.726683718 to the nearest thousandth.

Evaluate log3 (8), given log3 (2) ≈ 0.631