How to do area for 6th grade

I need the explicit formula for this > 12,12,12,12

What is an inequalitiy that represent the graph at the right

Choose the true statement about the graph of x < 4. A) closed circle on 4 and all numbers to the left shaded B) open circle on 4 and all numbers to the right shaded C) open circle on 4 and all numbers to the left shaded

Manuel read a book for 3 1/8 hours on saturday and 2 5/8 hours on sunday. how many hours did manuel read over the weekend?

What is the difference between the greatest green bean weight and the least green bean weight.

A batch of 330 samples of rejuvenated mitochondria contains 6 that are mutated (or defective). Two are selected from the batch, at random, without replacement.

What is the equation form of a pure quadratic? a. ax^2+bx=0 b. ax^2+c=0 c. ax^2+bx=c d. ax^2+c=bx

The horsepower, H (s), required for a racecar to overcome wind resistance is given by the function : H (s) = 0.003s^2+0.07s-0.027, where (s) is the speed of the car in miles per hours.

Is 20, 10, 9 a triangle

What is 248 rounded rounded to the nearest tenth