The Reflexive Property of Equality says:
A. for any numbers a and b, if a = b then b = a
B. for any numbers a, b, and c, if a = b then a – c = b – c
C. for any numbers a, b, and c, if a = b then a + c = b + c
D. for any number a, a = a

Which mathematical statements are true? 1) if 3 is an odd number, then 3 times 3 is an even number. 2) if 6 is less than 7, then 4 is greater than 7. 3) six is divisible by 3, and 10 is a multiple of 2. 4) the average of the data is greater than the largest value in the data, or it’s less than the largest value in the data. 5) the slope of a linear graph is its rate of change, and the graph’s y-intercept is the initial value. 6) if an equilateral triangle has equal angles, then all its angles will measure 45°.

How many different three-digit numbers can be formed using the digits 1 comma 2 comma 9 comma 6 comma 4 comma 3 comma and 8 without repetition? for example, 664 is not allowed.

Your food costs are $5,500. your total food sales are $11,000. what percent of your food sales do the food costs represent?