U = {x | x € Z, 1 < x ≤ 21} A = {x | x is divisible by 3}
B = {x | x is divisible by 4}
C ={x | the different between the digits of the elements in the universal set is exactly 1}

Does anyone understand what does the set C ask for? I don't understand please help me urgent

Worth 100 points need the answers asap first row -x^2 2x^2 (x/2)^2 x^2 x is less than 2 x is greater than 2 x is less than or equal to 2 x is greater than or equal to 2 second row -5 -5/2 4 5 •2 is less than x& x is less than 4 •2 is less than or equal to x & x is less than or equal to 4 •2 is less than or equal to x& x is less than 4 •2 is less than x& x is less than or equal to 4

If the car had not hit the fence, how much farther would it have skidded? solve the skid-distance formula to find the extra distance that the car would have traveled if it had not hit the fence. round your answer to two decimal places. note that unit conversion is built into the skid distance formula, so no unit conversions are needed.

In a timed typing test lara typed 63 words per minute.estimate the number of words she should be able to type in half in hour show your work