Class A has 28 pupils and class B has 9 pupils. Both classes sit the same maths test. The mean score for class A is 56. The mean score for class B is 65. What is the mean score (rounded to 2 DP) in the maths test across both classes?

Which fraction is not equivalent to 8/12 a. 2/3 b. 24/36 c. 4/10 d. 6/10

One card is dealt from a 52 card deck. find the probability that the dealt card is a 4 or a black 7

Solve with work both bert and ernie received an increase in their weekly salaries. bert's salary increased from $520 to $520. ernie's salary went from $580 to $645. find the percent of increase for each salary. what was the larger of the two percents ?