10% of what number is 6.3

Mis the midpoint of rq if rm equals 2x + 5 and mq equals 4x - 9 what is the length of rq

If each bricks costs and he can only buy one brick how much will it cost him to get the material to put around the outside of his garden?

Roy has 4 1/2 pizzas for the soccer team to split after the game. if each member is going to get 1/2 of a pizza, how many players are on the soccer team