What are the type and degree of the following polynomials?
52. 3x2 – 5
53. 6x3 + x - y4
54. 9x6
simplify each.
55. (x – 4)(x + 7)
56. (x - 5)(x – 6)
57. 3x(x2 - 4x + 1)
58. (2x + 1)2
59. (x – 5)2
60. 2x’y(x – 4xy2)
61. find the product of (x - y) and (x + 4y).
62. find the sum of (x – 5) and (x + 2).
63. find the perimeter and the area of a rectangle with a width of 2x and a length of 3x – 1.
picture to you.

The average hourly earnings for a construction worker is projected to be $24.50 in 2012. jason wants to join the construction work force after he graduates in 2012. his friend tells him that average hourly earnings for construction workers will rise by 2% from 2009 to 2012. based on the data below, assuming that the projected hourly earnings are correct, is jason’s friend’s statement accurate? construction industry - average hourly earnings, 2000-2009 a. his friend’s statement is accurate. the average hourly earnings will increase by 2%. b. his friend’s statement is not accurate. the percent increase will be more than 2% c. his friend’s statement is not accurate. the percent increase will be less than 2% d. his friend’s statement is not accurate. the average hourly earnings will decrease

The standard distance between studs in a house is 1.5 feet. if you have a set of blueprints for a house that mark every 1.5 feet with 2 in., by how many inches will a 13-foot wall be represented?

Twice the sum of a number and 4 is equal to three times the difference of the number and 7. find the number.