Is (4, 4) a solution of the graphed system of inequalities?

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

Listed in the table is the percentage of students who chose each kind of juice at lunchtime. use the table to determine the measure of the central angle you would draw to represent orange juice in a circle graph

Julia chooses a card at random from her set of cards. what is the probability that the card is labeled cat or hamster?