What does (2+6) x 80 - 6 equal? will give brainliest for the best answer!

Me what is the value of x? showing work would be appreciated - ! : )

On saturday morning, calls arrive at ticketmaster at a rate of 108 calls per hour. what is the probability of fewer than three calls in a randomly chosen minute?

The perimeter of a triangle is 69 cm. the first is 5 cm shorter than the second side. the third side is twice as long the first side. find the length of each side