4. One-fourth of the students in Mr. Jow's class got an A on the math test. If 4 people got an A, how many students, x, are in Mr. Jow's class. (Hint: You are looking for a total). please help i need help cuz I'm bad at math and please give a good explanation ​

Find the solution of system of equation y= x-4 y=4x+2

Sundar used linear combination to solve the system of equations shown. he did so by multiplying the first equation by 5 and the second equation by another number to eliminate the y-terms. what number did sundar multiply the second equation by? 2x+9y=41 3x+5y=36

Which expression can be used to find the cost of .75 kilogram of cheese at the price of $6.40 per kilogram?