A schoolboy lying on the ground 30m away from the foot of a water tank tower observes that the angle of elevation of the tank is 60 degree. Calculate the height of the water tank​

Kayla has a $500 budget for the school party.she paid $150 for the decorations.food will cost $5.50 per student. what inequality represents the number of students,s, that can attend the party?

If y varies directly as x2 and y=6 when x=6, find the constant of variation.

If you are dealt 4 cards from a shuffled deck of 52? cards, find the probability that all 4 cards are diamondsdiamonds.