To determine whether two interior walls meet at a right angle, carpenters often mark a point 3 feet from the corner on one wall and a point 4 feet from the corner (at the same height) on the other wall. If the straight-line distance between those points is exactly 5 feet, the walls are square. At what angle do the walls meet if the distance measures 5 feet 4 inches

Factor a^3 - 3 + 3a^2 - a. a) (a - 1)(a + 1)(a + 3) b) (a^2 + 1)(a - 3) c) (a^2 - 3)(a + 1

What is the rotational symmetry of a wheel

Type the correct answer in the box. use numerals instead of words. if necessary, use / for the fraction bar.a city water tank holds 20 gallons of water. a technician empties 25% of the tank. how many more gallons of water must be removed from thetank so that it has 5 of the water that it started with: the technician must removemore gallons of water for the tank to have 5 of the water that it started with.