Grace's average in math for the first nine weeks was an 88. her second nine weeks average decreased 12.5%. what was her average for the second nine weeks?

Naomi’s parents want to have 50,000, saved for her college education, if they invest 20000 today and earn 7% interest compound annually, about how long will it take them to save 50 thousand

The equation respenting the left table is

Afamily has five members. a mom, a dad, two sisters, & a brother. the family lines up single file. what is the probabillity that the mom is at the front of the line