The ratio of boys to girls in a group is 4:3 if there are 5 more boys than girls work out how many girls there are

Which point is on the line y=-2+3? (-2,-1) (3,3) (3,-3) (-3,-9)

(a) calculate the molarity of a solution that contains 0.0345 mol nh4cl in 400 ml of solution. (b) how many moles of hno3 are present in 35.0 ml of a 2.20 m solution of nitric acid? (c) how many milliliters of 1.50 m koh solution are needed to supply 0.125 mil of koh ?

Determine the relationship of ab and cd given the following points