I believe this would be the solution.
The answer should be x=60. ABD are an equilateral triangle all the angles must add up to 180. 60*3=180. Also if you have a protractor you can measure the angle C, the 60 degrees part and measure it against A, D and B. Hope this helps.
3.22$ because your originally spending 35$ so the added 3.22$ makes up 38.22$
j^3
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4^2 h^4
when you have negatives, you want them to be positive. To do that you need to convert it into a fraction
I sorry I don’t know this one