Triangle ABC is circumscribed about circle P. Points X, Y, and Z are the points of tangency. XC=12, BC=21. What is BY?

The multiplication property of zero states that the product of any number and 0 is 0. what must be true about either a or b to make ab=0

How do i do this activity, is appreciated

11. a particular type of cell doubles in number every hour. which function can be used to find the number of cells present at the end of h hours if there are initially 4 of these cells? a. n = 4 ()" b. n = 4(2)" c. n = 4 + (2)" din = 4 +"