In right triangle abc, a and b are complementary angles and sin a = 8/9 . what is cos b? nextreset

Which expression is equivalent to (3^2)^-2 a.-81 b.-12 c.1/81 d.1/12

Use the distributive law to multiply. 3(4x + 5y + 6)

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?