Which conditional and its converse are both true? . if x = 3, then x2 = 6.. if x = 2, then x2 = 4.. if x2 = 4, then x = 2.. if x = 1, then 2x = 2.. - i think its c but i dont know

The table represents a linear function. what is the slope of the function? –6 –4 4 6

Can someone factor this fully? my friend and i have two different answers and i would like to know if either of them is right. you in advance. a^2 - b^2 + 25 + 10a

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?