I need to talk to someone please

Barbara is converting 78°f to degrees celsius. first, she subtracts 32 from 78. what is the next step?

The probability of producing a normal child by two parents who are carriers for an autosomal recessive disorder is

Atypical human cell is approximately 12.00 μm in diameter and enclosed by a membrane that is 5.000 nm thick. (a) what is the volume of the cell including the membrane? (b) what is the volume of the cell membrane? (c) what percent of the total volume does its membrane occupy? to simplify the calculations, model the cell as a sphere. enter your answers using four significant figures.