What is the sign of a*(b/-b) when a is = 0 and b < 0? A: Positive
B: Negitive
C: Zero

Show your workcan a right triangle have this sides? *how to prove it without using the pythagorean theorema*

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.

Arectangle plot measure 20ft. by 30ft. a 3-ft.-wide sidewalk surrounds it. find the area of the sidewalk.