Simplify the expression using trigonometric identities: sec (–θ) – cos θ. A) tan(–θ) · sin (–θ)
B) tan(–θ) · sin θ
C) –tan θ · sin θ
D) tan θ · sin θ

The long jump record, in feet, at a particular school can be modeled by f(x) = 19.6 + 2.5ln(x + 1) where x is the number of years since records began to be kept at the school. what is the record for the long jump 11 years after record started being kept? round your answer to the nearest tenth.

Using the side-splitter theorem, daniel wrote a proportion for the segment formed by luke segment de. what is ec?

Jacob signs up to work for 2 1/2 hours at the school carnival. if each work shift is 3/4 hour, how many shifts will jacob work? (i just want to double check : |, for anybody that responds! : )