Answer:
7ft 1in.
Step-by-step explanation:
add the two 6 ft together and that gives you 12 ft. then add 7 in + 6 in which gives you 13 in. There are 12 in a foot, so you take 12 away from the 13 giving you 1 in remaining and 1 additional foot to add to the 12.
3x^2- 27 … you divide the whole thing by 3 to get x^2- 9 and that’s the furthest you can simplify
Answer: acute angles are higher that 0° and smaller than 90°
Step-by-step explanation: obtuse are between 90° and 180°
