Page 232 of 312 Grade 8 Mathematics revised 2010
(20) 0-3 - 0 + (3 x 2) - 2
(19) (0 - 0) - 0 + 1 x 0 + 6
(22) 7x 1 - 6-4-7
(21) 3+ (6 + 6)
(24) 2 - 4- (1 + 2) - 4
(23) 4+ 5+ (2 x 0)

Monthly water bills for a city have a mean of $108.43 and a standard deviation of $32.09. find the probability that a randomly selected bill will have an amount greater than $155, which the city believes might indicate that someone is wasting water. would a bill that size be considered unusual?

Ten times the square of a non-zero number is eqaul to ninety times the number

Two florida panthers were weighed. one weighs 6x+21 pounds and the two together weigh 14x+11 pounds how much does he other panther weigh alone