A new gym member wants to burn 525 calories during the first workout and prefers the stationary bike but is considering doing aerobics instead. How many more minutes will it take to burn 525 calories doing aerobics as opposed to the stationary bike?

Gabrielle's age is two times mikhail's age. the sum of their ages is 84. what is mikhail's age?

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

Arectangle has a perimeter of 24 inches. if the width is 5 more than twice the length, what are the dimensions of the rectangle?