Rachel is solving the system of equations. {7x-21y =14 and 2x+3y=11}. Using the elimination method. which of the following steps could she use? A. Divide the first equation by 2 and then add the result to the second equation.
B. Multiply the first equation by 21 then add the result to the second equation.
C. Multiply the second equation by 3 then add the result to the first equation.
D. Divide the first equation by 7 then add the result to the second equation.

Pls me this is due today and i need i will make brainliest if you me answer correctly and i will report if you try to give me a dumb answer.

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.

On ryan's last social studies test there were two types of questions true/false worth 3 points each and multiple choice questions worth 4 points each