7x^2 - 21x

Factor the Polynomial

A coordless phone costs $55 plus $25 for each extra handset. what is the cost of a coordless phone and 3 extra handsets

What is the vertex of the function x2 + 6x - 16 = 0?

The perimeter of a rectangle is 72 meters. the width of the rectangle is 4 meters less than its length. find the lengh and width of the rectangle

A businessman was comparing his company's profits for two consecutive months. In November, n, were 0.04 thousand dollars more than in December, d. The two months had a combined income of 3.15 thousand dollars.

The formula p = 1.068a - 18.39 can be used to find the percent p of men at age a in years, with high blood pressure. What percent of 40 year-old men have high blood pressure?

How many rectangular faces does a pentagonal pyramid have?

The two leading digits of each 6-digit number add up to 23. Which digit could be in the ones place if the 4-digit number is divisible by 6.

The weight of an object on a particular scale 155. 2lbs the measured weight May very from the actual weight by the most 0.4 lbs what is the actual weight of the objects

Circumferenceif a circle is 62.8inches, whats is the radius

What is a letter or symbol that represents some unknown value