A contractor bought 10.8 ft2 of sheet metal. He has used 4.9 ft2 so far and has $177 worth of sheet metal remaining. The equation 10.8x - 4.9x = 177 represents how much sheet metal is remaining and the cost of the remaining amount. How much does sheet metal cost per square foot?

Each morning papa notes the birds feeding on his bird feeder. so far this month he has see. 59 blue jays, 68 black crows, 12 red robin's and 1 cardinal. what is the probability of a blue jay being the next bird papa sees

Which of the following is most likely the next step in the series? a3z, b6y, c9x, d12w, е15v, f18u

Ur environment is very sensitive to the amount of ozone in the upper atmosphere. the level of ozone normally found is 4.04.0 parts/million (ppm). a researcher believes that the current ozone level is not at a normal level. the mean of 2525 samples is 4.44.4 ppm with a standard deviation of 0.80.8. assume the population is normally distributed. a level of significance of 0.020.02 will be used. make the decision to reject or fail to reject the null hypothesis. answer tables