A=x(1+r/n)^nt
21150=x(1+0.032/12)^84
21150=x(1+0.0026666)^84
21150=x(1.002666666)^84
21150=x(1.25069809)
21150/1.25069809=x
16910.56=x
Hope this helps!
A negative divided by a positive gives a negative result
So the answer is -3.1
Hope this helps!
B,
P(A and B)= P(A)xP(B)
P(A and B)=0.60x0.30
P(A and B)=0.18
Answer:
A = 12

<em>Hope this helps and have a great day!!!</em>