Answer:

Step-by-step explanation:
we know that
The volume of the square pyramid is equal to

we have
----> the length of the base of the square pyramid
---> the height of the pyramid
substitute the values in the formula


Answer:
20
Step-by-step explanation:
Work backwards. If -2 x 2= -4 then something plus negative four will equal 16, which is 20.
Answer:
The area of triangle is 
Step-by-step explanation:
Let
B -----> the measure of the vertex angle of the isosceles triangle ABC
a and c -----> the two congruent sides of the isosceles triangle ABC
we know that
The area of a triangle applying the law of sines is equal to

we have


substitute in the formula


Answer:
80 cookies
Step-by-step explanation:
25% of 64 is 16
16+64=80
I believe x=2 because 6x=2x+8