Divide 33 photos into two groups so the ratio is 4 to 7

Arefrigeration system at your company uses temperature sensors fixed to read celsius (°c) values, but the system operators in your control room understand only the fahrenheit scale. you have been asked to make a fahrenheit (°f) label for the high temperature alarm, which is set to ring whenever the system temperature rises above –10°c. what fahrenheit value should you write on the label

The measure of one angle of an octagon is two times smaller that of the other seven angles. what is the measure of each angle?

Write the sine and cosine values of a, b, respectively, in the figure for (1) and (2) + explanation.