The scientist creates an equation that models her data for each tree so that she can predict the diameter in the future. select the linear equation that fits the data for tree 1, where x is the year and y is the trunk diameter, in inches

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

Atorch and a battery cost 2.50 altogether.the torch costs 1.50 more than the battery.what fraction of the total price is the torch? give your answer in its simplest form.

If the value of cos330°is√3/2 then find cos 165°.