Answer:
I think A
Step-by-step explanation:
F(6) says “take f(x) = -4x + 11 and put 6 in for every x-value and then clean it up.”
f(6) = -4(6) + 11
= -24 + 11
= -13
f(x) = -1 says “set your function equal to -1 and solve for x”
f(x) = -1
-4x+11 = -1
-4x = -12
x = 3
So f(3) = -1.
The height of the oblique triangular pyramid is 18 units if the base area of 21 square units and a volume of 126 cubic units.
<h3>What is volume?</h3>
It is defined as a three-dimensional space enclosed by an object or thing.
We know the volume of an oblique triangular pyramid is given by:

Where b is the area of the base and h is the height of the pyramid.
We have b = 21 square units and V = 126 cubic units.

h = 18 units
Thus, the height of the oblique triangular pyramid is 18 units if the base area of 21 square units and a volume of 126 cubic units.
Learn more about the volume here:
brainly.com/question/16788902
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Answer:
2.
a. 2 books
n/3 books
b. 9 books
3.
a. 8 tomatoes
2/5x
Step-by-step explanation:
6/3 = 2
n/3
27/3 =9
2/5 *20 = 40/5 =8
2/5*x 2/5x
plz mark branliest if this helps