So lately, my teacher has been teaching about inequalities. i really want to try and get a head start on what i am going to learn. is there anything that can me?

Find the exact value of each of the following. in each case, show your work and explain the steps you take to find the value. (a) sin 17π/6 (b) tan 13π/4 (c) sec 11π/3

Jenisey has $24 to spend on seven pencils. after buying them she had $10. how much did each pencil cost.?

Jack has a piece of red ribbon that is two times as long as his piece of blue ribbon. he says that he can use two different equation to find out how long his piece of red ribbon is compared to his piece of blue ribbon is. is he correct? explain his reasoning