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

If 24 people have the flu out of 360 people, how many would have the flu out of 900. choose many ways you could use proportion that david would use to solve this problem

Girardo is using the model below to solve the equation . girardo uses the following steps: step 1 add 4 negative x-tiles to both sides step 2 add 1 negative unit tile to both sides step 3 the solution is which step could be adjusted so that gerardo's final step results in a positive x-value? in step 1, he should have added 4 positive x-tiles to both sides. in step 1, he should have added 3 negative x-tiles to both sides. in step 2, he should have added 4 negative unit tiles to both sides. in step 2, he should have added 1 positive unit tile to both sides.

Write 5(6x+4)-2(5x-2) in the form a(bx+c) where a,b and c integers and a> 1