How to solve 8.9 times 6

The system of equations graphed below has how many solutions? y = 2x + 2

Three coins are flipped. what is the probability that there will be at least two tails?

While scuba diving, rajeev dove to a depth of 12.6 feet below the surface of the water and then descended another 8.7 feet. what expression can be used to find rajeev's new position? 12.6 – 8.7 –12.6 – 8.7 –12.6 – (–8.7) 12.6 – (–8.7)