Is any value that is set and cannot change is variable?

Solve for k. - 6 ≤ - 2k + 4 ≤ 2

A dog trainer plans to use 126 feet of fencing to build a rectangular dog run. The table shows the possible dimensions for his first 4 dog runs.

One sixth of Jason's books are comic books. Jason has 4 comic books. How many books does Jason have in all?

Steve started with $250 and spent $25 per week. Chelsea started with $30 and saved $30 per week. Use x for time and y for savings =. Write and graph equations to represent each situation. When did Steve and Chelsea have the same amount of money?

Solve for X. 6x - 9 = - 27

An Investor invested a total of $2,600 in two mutual funds. One fund earned 7% profit while the other earned 3% profit. If the investor's total profit was $150, how much was invested in each mutual fund?

Physics students drop a ball from the top of a 100 foot high building and model its height as a function time with the equation h (t) = 100 - 16t^2. The height, h, is measured in feet and time, t, is measured is seconds. Find the value of h (0).

If 1 adult female is randomly selected, find the probability that her pulse rate is less than 76 beats per minute.

What is 12:478 12:336 33:2242 82:5514 61:5320 28:776 and 23:1624

To win the jackpot, 4 different numbers are randomly selected from 1 to 46 and one number from 1 to 22. The order of the first 4 numbers does not matter. What is the probability of winning the jackpot on one try?