A. All the others are false
Plug in 11 for x (given) inside the expression and solve
x + 4
11 + 4 = 15
15 is your answer
Hope this helps
Answer: First I suggest that you write out the all the proportions which govern the 3 right triangles involved.
Once you do that you will find this one:
PQ/PS =PR/PQ
PR=PS+SR
Substitution will give you this quadratic:PQ2=PS2+PS*SR
144=PS2+7PS which has only one solution which make sense, namely 9
Then QS=sqrt(144-81)
Step-by-step explanation:
answer: 1/16
If you flip a coin 4 times, the probability of getting all heads is 1/16.
