PLEASE HELP Solve the following problems: Find the indicated values, mAB, m ABC, mBAC, mACB

Determine the difference: 3.2 × 1010 – 1.1 × 1010. write your answer in scientific notation.

Jenny earned a 77 on her most recent test jenny score is no less then 5 points greater then 4/5 of terrance’s score if t represents terrance score which inequality represents the situation

He ! a group of farmers planned to clean 80 acres of wheat per day to finish the work on schedule. right before the work started, they received a new piece of machinery that them clean 10 more acres per day than originally planned. as a result of increased productivity in the last day before the deadline they only had to clean 30 acres. how many acres of wheat did the group of farmers have to clean?