Willis bought a gallon of paint. he painted a wall that is 9 ft. high and 10 ft. wide. then he used the rest of the paint to paint 46 square ft. in the hall. how many square feet did the gallon of paint cover?

Why do interests rates on loans to be lower in a weak economy than in a strong one

Varies inversely with x. if y=8.5 when x=-1 find x when y=-1

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