The angles in a triangle are represented by 289, 3x, and x + 20. What is the value of x?

Will give brainliest summations with algebraic expressions image shown

The table shows the total distance that myra runs over different time periods. which describes myra’s distance as time increases? increasing decreasing zero constant

Fanny mendelssohn manages all the magazines and paperback books at a local grocery store. she prices many paperbacks to sell at $7.99. the cost to the store is $5.29. what is the markup rate on a paperback book, based on its cost?