Consider rectangles with a height of 2 units. Increase their width by 1 unit at a time. What effect does this have on the total number of squares? What about rectangles with a height of 3 4 5 ? Make a note of the number of squares in rectangles with a height of 2 units. Do you notice anything special?

c.

step-by-step explanation:

because first you have to add the 4x, 9x, and the 7x together and you get 20x and then you add the last numbers up and you get 5and then you put the subtraction sign in there and that's how you get the answer.

5 pm

step-by-step explanation:

the correct answer is $7.38

step-by-step explanation:

x² + 3x + 7 = 0       [ax² + bx + c]

a = 1

b = 3

c = 7

quadratic formula:

    (+/- is this ±)

plug in the numbers into the variables

your answer is a