Solve the mathematical puzzle. determine the digits of f from these clues. the digits of f are all the same. the sum of all the digits of f is 12. the answer when any two of the digits are multiplied together is also 9. f is a four-digit number. 2222 3333 4444 5555

Evaluate each expression. determine if the final simplified form of the expression is positive or negative -42 (-4)2 42

Ahighway between points a and b has been closed for repairs. an alternative route between there two locations is to travel between a and c and then from c to b what is the value of y and what is the total distance from a to c to b?

Which of the following statements is true? a. the irrational number system is not closed under multiplication, because the product of two irrational numbers is always a rational number. b. the irrational number system is not closed under multiplication, because the product of two irrational numbers is not always an irrational number. c. the irrational number system is closed under multiplication, because the product of two irrational numbers is always an irrational number. d. the irrational number system is closed under multiplication, because the product of two irrational numbers is always a rational numbers. reset submit