Answer:
the answer is 10
Step-by-step explanation:
900 ÷ 90
=> 10 
Answer:
x = 15
Step-by-step explanation:
f(x) = 4x² + 7x
= 4(-3)² + 7(-3)
= 36 + (-21)
= 15
Answer:
I would say A
Step-by-step explanation:
They are the same size, and the only angles that would be the same would be the original and their prime since it's only a reflection.
A flat three dimensional solid like a cube, a prism or a pyramid. When you cut out the "net", fold it and glue it together you can see what the three dimensional shape looks like. (It can be used in math)Draw a net of the polyhedron. Calculate the area of each face. Add up the area of all the faces.
Answer: x=3
work: x+9=12
x=12-9
x=3
