If a has a qr factorization, say a = qr , then the best way to find the least-squares solution of ax = b is to compute xb = r1qt b .

∆red ≅ ∆ by rule will give brainiest if possible

For each sentence below, find the value of x that makes each sentence true. (515) 5 = 25* x= (813)2 = 4* x=

Point b lies between points a and c on . let x represent the length of segment ab in inches. use the segment to complete the statements. the value of x is . the length of in inches is . the length of in inches is .