On this necklace the ratio of black beads to white beads is 1:3 How many more black beads do you need to add to make the
ratio of black to white 3:1?​

How do the graphs of y = 1/x and y=5/x+6 compare?

Aman is 6 feet 3 inches tall. the top of his shadow touches a fire hydrant that is 13 feet 6 inches away. what is the angle of elevation from the base of the fire hydrant to the top of the man's head?

Icould really use some with this question.