Finding exact value using half angle identities
Why is my answer incorrect?

16. you're planning to buy a boat, a motor, and some miscellaneous boating equipment. the boat costs $325, the motor costs $225, and the equipment costs $79. if you've saved $438 toward these purchases, how much more do you need to save? a. $181 b. $281 c. $291 d. $191

State if the two triangles are congruent. if they are, state how you know?

What percent of the butterfly tents contain at most 10 cocoons