Will someone help me find the area please, i need the instructions on how to find an area of this

In the proof of the triangle angle sum theorem, you must draw an auxiliary line. which construction must you use to draw this line?

What is the remainder when 2872 is divided by 76? a) 51 b) 57 c) 60 d) 63

The brain volumes (cm cubed) of 50 brains vary from a low of 904 cm cubed to a high of 1488 cm cubed. use the range rule of thumb to estimate the standard deviation s and compare the result to the exact standard deviation of 175.5 cm cubed, assuming the estimate is accurate if it is within 15 cm cubed