21 years ago, I was half the age I am now. How old am I?

What is the value of x in the equation 2.5x + 10 = x - 0.5

Subtract simplify, if possible 7 1/7-2 6/11

What is the slope of - 1/2 and 3/1

Suppose you draw a card from a deck of 52 cards. what is the probability that the card you draw is not an ace? there are 4 aces in the deck. 131212131131

Let f (x) = 9 - x^2, g (x) = 3 - x. Find (f - g) (x) and its domain.

An antelope Can run at a speed at 61 mph. What is the speed in yards per second? Round to the nearest hundredth.

Which of the following would be the most effective means of controlling current water pollution of United States surface waters?

How do you write 151% as a fraction or mixed number in simplest form?

Sam and his two brothers want to fly to Boston. About how much will Sam and his brothers save buying the less expensive fare? Skies the limit airline $319 In the clouds airlines $405

The sum of two numbers is 65 and the difference is 13. what are the numbers?