What are the angle measures in triangle ABC? O mŁA = 90°, m_B = 30°, m_C = 60°
O m_A = 60°, m_B = 90°, mzC = 30°
O mzA = 90°, m2B = 60°, m C = 30°
Om A = 60°, mzB = 30°, mzC = 90°

Find the value of x. round the length to the nearest tenth

Scores on the cognitive scale of the bayley-scales of infant and toddler development range from 1 to 19, with a standard deviation of 3. calculate the margin of error in estimating the true mean cognitive scale score, with 99% confidence, if there are 12 infants and toddlers in a sample.

Asail is in the form of a right triangle that is 3 times as high as it is wide. the sail is made from 6 square meters of material. what is the height?