Pls help!

Which of the following elements would be found in the LOWEST amounts in both the cell wall and cell membrane?

A. carbon
B. phosphorus
C. hydrogen
D. sodium

Determine domain and range, largest open interval, and intervals which function is continuous.

❤️ (geometry) does the construction demonstrate how to copy an angle correctly using technology a) yes; the distance between points a and f was used to create circle h b) yes; the distance between points f and g was used to create circle h c)no; the distance between points a and f was used to create circle h d) no; the distance between points f and g was used to create circle h

What is the perimeter of a rectangle if the length is 5 and the width is x?