If y varies inversely as x, and x= 8 when y = 4, find y when x = 2

Assume that 1400 births are randomly selected and 1378 of the births are girls. use subjective judgment to describe the number of girls as significantly high, significantly low, or neither significantly low nor significantly high. choose the correct answer below. a. the number of girls is neither significantly low nor significantly high. b. the number of girls is significantly high. c. the number of girls is significantly low. d. it is impossible to make a judgment with the given information.

What expression is equivalent to 42x-56y

Ijust need to see how to do this. so you don’t have to answer all of them just a step by step explanation of one.