I will mark brainiest plz plz plz help me The sum of two numbers is 120. The larger number is five more than four times the smaller number. Find both numbers.

Which values for a and b will create infinitely many solutions for this system of equations? ax-y=8 2x+y=b

Find dy/dx using implicit differentiation ln(20+e^xy)=y

In a class of 77, there are 44 students who play soccer. if the teacher chooses 33 students, what is the probability that none of the three of them play soccer?