I've eliminated a as you can see this is my last question and i can't for the life of me figure it out even though it sounds so simple.

What are the first 4 terms in the multiplication pattern given by the formula 2×4n

John used linear combination to solve the system of equations shown. he did so by multiplying the first equation by -3 and the second equation by another number to eliminate the x-terms. what number did jonas multiply the second equation by? 4x-6y=23x+5y=11

Asurvey of 2,000 doctors showed that an average of 3 out of 5 doctors use brand x aspirin.how many doctors use brand x aspirin