7. A block of ice weighs 500 pounds and is melting at a rate of 3 pounds per hour. Write an equation to represent the total weight of the ice. How long will it take until the ice is completely melted?

Which of the following best describes the graph below? a. it is a function, but it is not one-to-one. b. it is a one-to-one function. c. it is not a function. d. it is a many-to-one function.

What is the value of the expression below? 148+(-6)| + |– 35= 7|

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?