The terminal side of Ø is in quadrant IV and cos Ø + 5/13, what is sin Ø? A. -5/12
B. -12/13
C. 12/13
D. 5/12

An an average person has 6×10 by the power of two as many red blood cells as white blood cells a small sample of the blood has 7×10 by the power of three white blood cells about how many red blood cells are in the sample

Elena is paid a constant rate for each hour she works. the table shows the amounts of money that elena earned for various amounts of time that she worked.

Using elimination, what is -4x+2y=-12 4x+8y=-24