What is the shape of the cross section of the figure that is parallel to the triangular bases?

Need to increase the numbers of customers i talk to daily by 20% how many customers do i need to talk to if i talk to a average of 8 customers per hour during an 8 hour shift

Which is the correct excel formula for the 80th percentile of a distribution that is n(475, 33)? =norm. dist(80,475,33,1) =norm. inv(0.80,475,33) =norm. s.inv((80-475)/33)?

Express the following as a function of a single angle. cos(60) cos(-20) - sin(60) sin(-20)