Which expression is equivalent to 2(a+2b)-a-2b?

Julia measured the high temperature in her town for one week. using the chart above, find the mean absolute deviation for the high temperatures. round your answer to the nearest tenth. be sure to show your work for finding: the mean of the set of data the distance of each number from the mean the mean absolute deviation

What is the celsius temperature that is equal to 94 degrees fahrenheit using the formula f=9/5 c+32

Ineeeeed this is due tomorrow and i dont know the answer can you find all the exponents