Use the formula to estimate the temperature when n = 124 chirps/min. Round to the nearest whole number, if necessary. The formula F= n/4 + 37 estimates the temperature F in degrees Fahrenheit
when crickets chirp n times per minute.
64°F
69°F
68°F

Will give brainliest sum of arithmetic series (sigma notation) find the numerical answer to the summation given below. (image shown below)

For the rule of 78, for a 12-month period, the last term in the sequence is 12 and the series sums to 78. for an 10 month period, the last term is and the series sum is . for a 15 month period, the last term is and the series sum is . for a 20 month period, the last term is and the series sum is

Another type of subtraction equation is 16-b=7. explain how you would sole this equation then solve it.