HEW MEEE PLEZZZWILLGIVE BRAINLIEST FOR BEST ANSWER! :) 20 PIONTS NO TROLLING PLEASE A student works at a bicycle shop. When he sells a bicycle, he earns 6% of the sale price as a commission. If he sells 1 bicycle for $450 and 2 bicycles for $250 each, what is the total amount of commission he earns?
Answer choices-
$69.00

$57.00

$6.90

$5.70

Suppose that an airline uses a seat width of 16.516.5 in. assume men have hip breadths that are normally distributed with a mean of 14.414.4 in. and a standard deviation of 0.90.9 in. complete parts (a) through (c) below. (a) find the probability that if an individual man is randomly selected, his hip breadth will be greater than 16.516.5 in. the probability is nothing. (round to four decimal places as needed.)

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

I’ve been trying all day to figure this puzzle out. i need the work for it aswell. it is a factoring polynomials tarsia. the image is below.