While walking from her house to school, miriam walks at a pace of 5 km/h. when she walks in the hallways at school, she slows down to 3 ½ km/h. if she spent 2 ½ hours walking to and from school and ¾ of an hour walking in the hallways, what was her average walking speed?

the figures below are made out of circles, semicircles, quarter … find the area and the perimeter of each figure and give your answers as a completely simplified exact value in terms of π (no approximations). remember that we'll also have to cut whatever areas we get in half, since we're only dealing im pretty sure that is the right answer

step-by-step explanation: