PLEASE HELP!! Rationalize the denominator if the numerator is 7 and the denominator is Problem sqrt(7) - sqrt(3)

The table shows the results of three plays in a football game. what is the net result of the three plays? football game 1st play 5 yards 2nd play -9 yards 3rd play 12 yards

An investment decreases in value by 30% in the first year and decreases by 40% in the second year. what is the percent decrease in percentage in the investment after two years

2.5 milligrams is equivalent to how many grams