Did more rain on Sunday 1/4or Tuesday 1/8 ​

Find the cosine function that is represented in the graph.

Daniel expanded the expression as shown below -2(-8x-4y+3/4)=-10x-8y-11/4 what errors did he make? check all that apply

Which of the following is the best first step in solving the equation below? 4+2㏒³x=17