1. let wi and wa be subspaces of a vector space v. define w to be the set of vectors in v of the form w' + w2 where w w, and w2 e wa. (a) show that w is a subspace of v (b) show that wi and w2 are subspaces of w

36 girls

step-by-step explanation:

the 48 boys is 4 parts of the ratio

divide 48 by 4 to obtain one part of the ratio

= 12 ← 1 part of the ratio

3 parts = 3 × 12 = 36 ← number of girls

(3x-8) or (3x+8)

step-by-step explanation:

company a

step-by-step explanation:

using the linear regression models , it is found that company a   pays about $14 more. but using the same regression (linear) company b pays about $10 more.

so company a pays more than b