Sue either travels by bus or walks when she visits the shops. The probability that she catches the bus TO the shops is 0.4. The probability that she catches the bus FROM the shops is 0.7

a) complete the tree diagram

b) show that the probability that Sue walks at least one way is 0.72

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

What is r i 4.5+10r=-6.5 with work pls

Frank is lending $1,000 to sarah for two years. frank and sarah agree that frank should earn a real return of 4 percent per year. instructions: a. the cpi (times 100) is 100 at the time that frank makes the loan. it is expected to be 113 in one year and 127.7 in two years. what nominal rate of interest should frank charge sarah?