What is the general form of the equation for the given circle centered at [0, 0)?

The system of equations graphed below has how many solutions?

Angel entered a triathlon (a three-part race). he swam 1 mile, rode his bike 30 miles, and ran 10 miles. how far did he go altogether? a. 11 miles b. 123 miles c. 41 miles d. 40 miles

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