So i have a question, this : insert 2 grouping symbols to make the equation true
100 + 4 * 6 + 3 - 27 / 9 - 6 = 127
where do i put the grouping symbols?

Given f(x)= 9x+1 and g(x)=x^3, choose the expression (f*g)(x)

Find the smallest number by which the given number should be divided to make a perfect cube(with steps or the answer will get reported) a.108 b.2187

The distribution of the amount of money spent by students for textbooks in a semester is approximately normal in shape with a mean of $235 and a standard deviation of $20. according to the standard deviation rule, how much did almost all (99.7%) of the students spend on textbooks in a semester?