Describe an unknown or changeable quantity

A race car can travel at a rate of 205 miles per hours. At thos rate, how far would it travel in 3 hours? Use R = d/t. Write an equation and then solve.

Consider the following true conditional. Is its converse true? If so, combine the statements as a biconditional. "If a number is even, then it is divisible by 2

Calculate the product of 41.9 and 23.51 to the nearest hundredth. Dylan said his solution was 983.1. Do you agree with him? Explain why or why not.

The Perez family is buying a house that is $178,790. They are paying 10% of this amount as a down payment. What is the best estimate of their down payment? $1,800 $17,000 $18,000 $20,000

Estimate the product by rounding 2*6,254

The slope of the line whose equation is 8y = 2x 4

Original price of a book: $15.50 discount is 10%

Bee Paul, store manager for Jay's Appliance, is having a difficult time placing a selling price on a plasma television that originally costs $600. Bee knows his boss would like to have a 55 percent markup based on cost.

A new internet phone company advetises that you can call any country in the world for 3 cent per minute. You regularly call your friend in India and talk to her for 20 minutes. How much would the phone call cost?

A school basketball team has an expense account and a fundraising account. After t weeks, the balance of the expense account is (450-70t) dollars and the balance of the fundraising account is (275+48t) dollars. a.