Find the area of an equilateral triangle with a side of 10

Which conjunction is disjunction is equivalent to the given absolute value inequality? |x+2|< 18

What will the graph look like for a system of equations that has no solution? a. the lines will be perpendicular. b. the lines will cross at one point. c. both equations will form the same line. d. the lines will be parallel.

What is the solution to the division problem below x3+x2-11x+4/x+4