The matrix below represents a system of equations. Which matrix represents 1/2R2+R3-R3?

[2, -1, -3 | -20]
[-2, -6, 6| -4 ]
[0, 3, -2 | -9 ]

This figure consists of a rectangle and semicircle. what is the perimeter of this figure use 3.14 for pi 60.84m 72.84m 79.68m 98.52m

Adriver from the university of florida women’s swimming and diving team is competing in the in ncaa zone b championships

F(x)=x^3+4 question 6 options: the parent function is shifted up 4 units the parent function is shifted down 4 units the parent function is shifted left 4 units the parent function is shifted right 4 units