Answer:
a

b

c

Step-by-step explanation:
Generally the size of the sample sample space is mathematically represented as

Where N is the total number of objects available and r is the number of objects to be selected
So for a, where N = 19 and r = 8



For b Where N = 25 and r = 3



For c Where N = 23 and r = 2



The 250 minute plan is best for her. The reason is 1470/6 is 245 which is a little less than that plan. Working for Kate's needs
7 goes into 9, that's 1.
Remaining 2.
Move the 2 close to 3, you have 23.
7 into the 23, that's 3 times. 3 times 7 is 21.
So you are left with 2.
The answer is 13 remainder 2.
13\2\7
Answer:
D
Step-by-step explanation:
Graph the points. Then count the units vertically and horizontally. See picture.