The function h(x)= x^2+3 and g(x)= x^2-6. if g(x) = h(x) +k, what is the value of k

Identify a1 and r for the geometric sequence an= -256(-1/4) n-1

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?

Complete the steps to find 4.830 ÷ 5