Peter walked at a rate of 3.75 miles in half an hour. how many miles would he walk in 2.75 hours

Can someone check if i did this right since i really want to make sure it’s correct. if you do you so much

Tim's phone service charges $26.39 plus an additional $0.21 for each text message sent per month. if tim's phone bill was $31.64, which equation could be used to find how many text messages, x, tim sent last month?

Graph y = -|x| + 2. click on the graph until the correct one appears.