I have to find the value of x please help me will give brainliest to correct answer​

In the figure, triangle aob and triangle boc form a linear pair ,find the measure of x

Simplify each expression using the definition, identities, and properties of imaginary numbers. match each term in the list on the left to its equivalent simplified form on the right. 1. (i 3)2(-i 0)3(3i 2)4 -4 2. (i 3i -5)2(i 4i -3)0 1 3. (-i 4i 2)(2i)2(i -1i 5)3(i 0)-3 -i 4. i 3[(i 2i 3i 4)(i 0i 2i 5)]2 81

Problem ann increased the quantities of all the ingredients in a recipe by 60\%60%. she used 8080 grams (\text{g})(g) of cheese. how much cheese did the recipe require?