Write an equivalent expression in standard
form and collect like terms.
2x - (x + 8) - 4

In a circle, a 45° sector has an area of 32π cm2. what is the radius of this circle? 32 cm 12 cm 16 cm 8 cm

The length of the line segment joining the midpoints of sides ab and bc of the parallelogram abcd is 10. find the length of diagnol ac

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