Which of these answers go to this equation?

Solve this equation using substitution. {4x + y = −2} {4x + 6y = 44}

The ph level of a blueberry is 3.1 what is the hydrogen-ion concentration [h+] for the blueberry

Many newspapers carry a certain puzzle in which the reader must unscramble letters to form words. how many ways can the letters of emdangl be arranged? identify the correct unscrambling, then determine the probability of getting that result by randomly selecting one arrangement of the given letters.