An airplane's altitude changed -378 feet over 7 minutes. what was the mean change of altitude in feet over feet per minute

26) -2(7x) = (-2 • 7) x a. associative property of addition b. associative property of multiplication c. commutative property of multiplication d. commutative property of addition

Factor the polynomial. b^2 + 4b + 4

You are saving to buy a bicycle; so far you save 55.00. the bicycle costs 199.00. you earn 9.00 per hour at your job. which inequality represents the possible number of h hours you need to work to buy the bicycle?