Guys plz help me with this question in this figure you have to find the area of rectangle plz help me to find the area of this rectangle. I will mark brainliest to that person who will answer it but its needed fast guys so answer it as fast as possible

Pls me this is due today and i need i will make brainliest if you me answer correctly and i will report if you try to give me a dumb answer.

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

Ab and bc form a right angle at point b. if a= (-3,-1) and b= (4,4) what is the equation of bc?