Find the measure of the number two angles in each figure. Justify each answer​

Find the constant of variation for the relation and use it to write an equation for the statement. then solve the equation.

The amount spent on food and drink by 20 customers is shown below what is the modal amount spent ?

Aparticular telephone number is used to receive both voice calls and fax messages. suppose that 25% of the incoming calls involve fax messages, and consider a sample of 25 incoming calls. (a) what is the expected number of calls among the 25 that involve a fax message?