|x-10|+8=18
Solve for all values of x in simplest form

For one history test, keith had to answer 40 questions. of these 40 questions, keith answered 28 of them correctly. what percent did keith get on his history test? round your answer to the nearest tenth if necessary

Write the expression as a single natural logarithm. 2 in a - 4 in y

Are the corresponding angles congruent? explain why or why not.