When Milo buys an order of copper, he pays $45 for the first pound and $42 for each additional

pound. Which of the following expressions represents the total cost, in dollars, of an order of p

pounds of copper?

45 + 42p

45 + 42 (p-1)

45 + 42 (p + 1)

87p

A city orchestra invests $5200 at 6% simple interest. How much is in the account after 1/2 year?

If c = 3 what is 6x (9-c)

Which binomial is a difference of squares? 16x3 - 81 36x2 - 81 25x2 + 81 14x2 - 81

Akron Cinema sells an average of 500 tickets on Mondays, with a standard deviation of 50 tickets. If a simple random sample is taken of the mean amount of ticket sales from 30 Mondays in a year, what is the probability that the mean will be greater

Solve the word problem. The base of a triangle with height h and area A is given by the formula b = 2a. h What is the base of a triangle with area 17 cm2 and height 5 cm? A. 3.4 cm B. 3.8 cm C. 6.8 cm D. 11 cm

Which equation has no solution? 4x + 3) + 2x6 (x + 2) 5+2 (3 2x) = x + 3 (x+1) 5 (x + 3) + x = 4 (x + 3) + 3 4 + 6 (2 + x) = 2 (3x + 8)

The annual Gross Domestic Product (GDP) of a country is the value of all of the goods and services produced in the country during a year. During the period 1985-1999, the Gross Domestic Product of the United States grew about 3.

Expand and simplify 2 (x+3) + 5 (2x+4)

Which BEST describes the difference between the medians of Plot A and Plot B as a multiple of the interquartile range of Plot B. A) 1/2 B) 2/3 C) 1 D) 3/2

What does x equal in -0.4 (x+3) = 4