162 divided by [6 (7-4)^2 by the way the 2 is a exponent

Which measurement is the most precise? a) 29 cm b) 28.8 cm eliminate c) 28.76 cm d) 28.762 cm

Which inequality comparing two of the expressions is true when 0.7 < x < 0.9

Asailor is looking at a kite. if he is looking at the kite at an angle of elevation of 36and the distance from the boat to the point where the kite is directly overhead is 40 feet, how high is the kite?