Liam mixed 3 parts of lemon juice and 4 parts of water to make a drink. how many parts of lemon juice did liam mix with each part of water?

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?

Determine which expressions represent real numbers and which expressions represent complex number. asaaap! plis!

Anumber cube is rolled two times in a row. find the probability it will land on 2 on the first roll and a number greater then 4 on the second roll