If $4500 earns $120 simple interest at a flat rate of 2% p. a., calculate the duration of the investment. Please help me with understanding the steps to getting the answer as well as the solution. Thx

Add 1/7 + -1/7 your answer should be reduced to its smallest form and should not be an improper fraction

Suppose you want just guess at the answers in a 5 question multiple-choice test. each question has 3 responses and only one is correct. what is the probability of getting two questions right just guessing? 20 points 0.3275 0.2753 0.7532 none of the above

For what values of the variable x is the expression square root of 7x+14+ square root of 7-x a real number?