In a triangle, two of the angles measure 57° and 63°. find the measure of the third angle

Afarm that has 4 x 10^2 acres has 1.2 x 10^5 cattle. what is the average number of cattle per acre? write the answer in scientific notation. answere asap

Which of the following values are in the range of the function graphed below? check all that apply ! - will give the answer "brainliest! "

Whats are the trickiest steps to do when adding or subtracting rational expressions? how does knowledge of rational numbers u in adding and subtracting rational expressions?