Matt went hiking every 12 days and swimming every 8 days when will he go hiking again on the same day

Will give brainliest series to sigma notation write the following series in sigma notation. 6+10+14+18+22+26+30 example image shown below.

4. find the geometric mean of 4 and 12. 24 8

Solve with work both bert and ernie received an increase in their weekly salaries. bert's salary increased from $520 to $520. ernie's salary went from $580 to $645. find the percent of increase for each salary. what was the larger of the two percents ?