Julia has to mow two yards. she will need
16 gallon of gas to mow the first yard and
gallon to mow the second yard. she has
15 gallons of gas in her can. does she have
enough to mow both yards? explain.

The number of potato chips in a bag is normally distributed with a mean of 71 and a standard deviation of 2. approximately what percent of bags contain between 69 and 73 potato chips? approximately 68% approximately 71% approximately 95% approximately 99.7%

Find the volume of the described solid. the solid lies between planes perpendicular to the x-axis at x = 0 and x=7. the cross sectionsperpendicular to the x-axis between these planes are squares whose bases run from the parabolay=-31x to the parabola y = 30/x. a) 441b) 147c) 864d) 882

Can someone check if i did this right since i really want to make sure it’s correct. if you do you so much