Unit 4: congruent triangles Homework 1:classifying triangles questions 9 and 10

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

Can someone me and do the problem plz so i can understand it more better

What is the volume of a cone with a height of 6 cm in the radius of 2 cm