What two numbers multiply to get - 72 and add to get - 21

The area of a regular hexagon is 55 in^2. Find the length of a side. Round your answer to the nearest tenth. I know the answer is 4.6 in., but I have no idea how to solve it.

How to simplify 4x+6 (3x-2)

What is the sum of the geometric sequence 1, 3, 9, ... if there are 14 terms?

What is the greatest number of obtuse angles that a right triangle can contain? A) 3 B) 1 C) 0 C) 2

Ann and Bill play rock-paper-scissors. Each has a strategy of choosing uniformly at random out of rock, paper, and scissors every round (making independent selections each round). Each round can end in a win, loss, or a tie for each player. a.

What is 45/35 in the most simplest form

If you are driving at a rate of 55 miles per hour, about how many feet per second are you traveling? A. 0.015 feet per second B. 80.67 feet per second C. 4840 feet per second D. 290400 feet per second

Suppose a recent plant journal indicated that the mean height of mature plants of a certain species of sunflower is 10.4 ft.

Can 40:70 be simplified?

Each week our school's team travels to other schools for competitions. Today the five members of the gymnastics team and seven weight lifters are on the way to our rival school for meet.