Triangle bcd is rotated 80° clockwise about the origin to form δklm. if m∠klm = 30°, what is m∠bcd?

Write the expression as a constant , a single trigonometric function, or a power of a trigonometric function. sin x cos x/ tan x

What statement is true? 2x^2-9x+2=-1

Ariel is working at a meat packing plant for 5 nights a week. her regular wage is $11 an hour. she earns tine and a half for any overtime hours. this week she worked 9 hours of over time .how much will ariel earn for overtime this week ?