PLEASE HELP WILL GIVE BRAINLIEST. Which of the following describes the function –x4 + 1?

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

Use sigma notation to represent the following series for 9 terms.

Find the area of the region that is inside r=3cos(theta) and outside r=2-cos(theta). sketch the curves.