If Sean's dad paid $41.40 on a meal that cost $36, what percent tip did he pay? OA) 12%

OB) 15%

O C) 18%

OD) 20%

Write the expression 7x^3-28xy^2 as the product of 3 factors

Liz had 140 pens and inna had 100 pens. after inna gave liz some pens, liz had 3 times as many pens as inna. how many pens did inna give liz?

The table shows the number of students who signed up for different after school activities. activity students cooking 9 chess 4 photography 8 robotics 11 select the true statements about the information in the table.