What is the standard deviation of this portolio?

Expected Return, Standard Deviation, Covariance, and Asset Weight for Assets A and B

Asset (A)	Asset (B)
E(RA)=10%	E(RB)=14%
(A)=7%	(B)=8%
WA=0.7	WB=0.3
CovA,B=0.0013