a bag holds 11 beads. 7 of th beads are red. The reast are white. Two beads are taken from the bag at random. Work out the probability that one bead of each colour is taken. you must show your working out

Find the multiplicative inverse of 8-12i

Solve the following simultaneous equation by using an algebraic method (either substitution or elimination) 2x + 3y=-4 4x-y=11

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.