Mark talked on his cell phone 3 hours over the weekend. genaro talked on his phone 1 9/10 hours. how much longer did mark talk on his phone than genaro?

Problem melissa is her dad build a walkway in their backyard. the walkway will be 54 feet long and 1.5 feet wide. the local hardware store sells tiles which are 1.5 by 1.5 feet and come in boxes of 12. how many boxes of tiles do they need?

Which of these triangle pairs can be mapped to each other using two reflections?

What is the value of x in the following equation? -3x-2=2x+8