Given the triangles below with W=D, WI=DT and L=C. Prove WL=DC. Create either a flowchart proof or a two column proof to do this.

The product of two negative rational numbers is always zero sometimes zero never zero

Write the fraction 9/50 as a decimal if needed round to the nearest hundredth

Assume that the weights of quarters are normally distributed with a mean of 5.67 g and a standard deviation 0.070 g. a vending machine will only accept coins weighing between 5.48 g and 5.82 g. what percentage of legal quarters will be rejected? round your answer to two decimal places.