Consider such events:
A - selected student is freshmen
B - selected student is girl
- selected student is freshman is girl
- choosen girl is freshmen.
Use formula
.
From the table you can see that girls that are freshmen are 4 from all 30 people, then
. There are 18 girls, then
. Substitute into the formula:
.
Answer:
.
Answer:
-2z+8
Step-by-step explanation:


Scientific notation for above vLue is :
<span>Volume = L * W * H cubic units
Surface Area = 2 * (LW + LH + WH) square units</span>