In right triangle lmn, l and m are complementary angles and sin(l) is 19/20. what is cos(m)?
a.19/20
b.1/20
c.(square root of 39)/19
d.(square root of 39)/20

Suppose sat writing scores are normally distributed with a mean of 497 and a standard deviation of 109. a university plans to award scholarships to students whose scores are in the top 2%. what is the minimum score required for the scholarship? round your answer to the nearest whole number, if necessary.

Write the rational number in lowest terms 99/-15

The graph below shows the height of a projectile t seconds after it is launched. if acceleration due to gravity is -16 ft/s2, which equation models the height of the projectile correctly?