For vectors B⃗ =−iˆ−4jˆ and A⃗ =−3iˆ−2jˆ, calculate (a) A⃗ +B⃗ and its magnitude and direction angle, and (b) A⃗ −B⃗ and its magnitude and direction angle.

"i have always loved contemporary art and made it a general goal to work within the field. after a few nonprofit internships at museums and galleries, i decided to try the for-profit art world and was offered a job as the ad assistant at the magazine. i much prefer the pace of the for-profit art community and have stayed with the company for three years, with a promotion to an account manager last spring."

i just did this and got a 100.

if the person is shown to have +90n, then ans is -10n.

if the person is shown to have -90n, then ans is +10n.

3. dark matter

empty space could also be a simple vacuum