Prove that 3 (x+1) (x+7) - 2x+5) ^2 is never positive

Jack runs 3 3/4 mile in 2/3 of an hour. Kevin runs 3 4/5 of a mile in 50 minutes. Who would run 10 miles faster?

A company's total cost from manufacturing and selling x units of their product is given by: y = 2x2 - 600x + 49,000. How many units should be manufactured in order to minimize cost, and what is the minimum cost? a. (100, $9,000) b. (125, $3,250) c.

What multiplies to - 10000 and adds up to 0?

What is the domain of square root 3t-9

A unit of measure used in surveying is the link; 1 link is about 8 inches. about how many links are there in 9 feet.

How many feet are in 23456 inches

The mass of the moon rocks 3.5 kilograms. What is the mass of the moon rock in grams

The solution to - 2 x - 6 y equals 0

A rhombus has diagonals measuring 12 units and 16 units. What is the perimeter of the rhombus?

Write the absolute value inequality in the form x-b ≤c or x-b ≥c that has the solution set - 1≤x≤3.