Assessment items Item 13 The variables x and y vary directly. Use the values to find the constant of proportionality, k. Then write an equation that relates x and y. y=72; x=3 k = y=

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

In a class of all girls 24 of the 30 students have brown hair what is the probability of randomly picking a girl with brown hair

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?