What is the first step in solving this equation : 2x - 7 = 19

Options :

A - Add 7 to both sides
B - Subtract 19 from both sides
C - Subtract 7 from both sides
D - Divide both sides by 2

Please help its due in 20 minutes!!​

If eh = hg and hg=16, find the diameter of k

Suppose that an airline uses a seat width of 16.516.5 in. assume men have hip breadths that are normally distributed with a mean of 14.414.4 in. and a standard deviation of 0.90.9 in. complete parts (a) through (c) below. (a) find the probability that if an individual man is randomly selected, his hip breadth will be greater than 16.516.5 in. the probability is nothing. (round to four decimal places as needed.)

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base