Someone please click on the picture and help me please at least with 1 question i need this quick

Part a : solve -vp + 40 < 65 for v part b : solve 7w - 3r = 15 for r show your work .

Is the square root of 4 plus the square root of 16 rational?

Apool measures 100 meters by 100 meters a toddler inside the pool and trows a ball 60 centimeters from one edge of the pool.how far is the ball from the opposite edge of the pool