None of those answers are right because the actual answer is 1.
Add 17 and 12 which equals 29. (17+12=29)
We already know there is 30 students so you just subtract 30 and 39 which equals 1. (30-29=1)
1
is the correct answer lol ez stuff
The probability is 0.3707.
We calculate the z-score associated with this using the formula
z = (X-μ)/σ = (67-68)/3 = -1/3 = -0.33
Using a z-table (http://www.z-table.com) we see that the area under the curve to the left of this (less than) is 0.3707.
1. AD/DB=CE/EB
given
2. AD/DB+1=CE/EB+1
Addition Property of Equality
3. AD+DB/DB=CE+EB/EB
using common denominators
4. AB = AD + DB
CB = CE + EB
segment addition
5. AB/DB=CB/EB
Substitution Property of Equality
6.ABC DBE
Reflexive Property of Congruence
7. ABC ~ DBE
SAS similarity criterion
<span>8. </span>
Corresponding angles of similar triangles are congruent.
9. DE|| AC
<span>If the corresponding angles formed by </span>