Which line intersects that graph of f (2) = x² – 8x + 13 exactly once? answers:
y=4
y=3
y=-4
y=-3

What is the pattern in the values as the exponents increase?

In a class, there are 12 girls. if the ratio of boys to girls is 5: 4 how many boys are there in the class

He mass of a single atom of carbon can be found by dividing the atomic mass (12.01 g) by 6.022 x 10^23. which is the mass of a single carbon atom, correctly written in scientific notation with the correct number of significant figures?