18. S=r^2-t^2
S+t^2=r^2
r=sqrt(S+t^2)
20. Tan 18=x/12
x=12×Tan 18
x=3.899036355
x=3.90
I hope this helps.
<em>i think it's just simply</em> y - 7 <em>?</em>
Answer:
students
Step-by-step explanation:
you're missing a part?
Answer:
C. 76 + 7i
Step-by-step explanation:
49 squared is 7 and since it's negative, it is an imaginary number. Therefore, it is 7i. Which leaves C to be the correct option.
Answer:
a is the answer parallelogram is a rotational symmetry
