Based on this information, which lines could be perpendicular to rs? select two options. line e a line e r line e f line f g line f s

The highest common factor of 132 and 220

Which number produces a rationale number when multiplied by 1/5

Jacob signs up to work for 2 1/2 hours at the school carnival. if each work shift is 3/4 hour, how many shifts will jacob work? (i just want to double check : |, for anybody that responds! : )