A mathematics quiz contains 40 questions. Each correct answer is given 5 marks and each incorrect answer is deducted 3 marks. Sofian and Ridzuan participated in the quiz. Sofian answered 36 questions correctly while Ridzuan was deducted 24 marks for the incorrect answers. (a)How many questions did Ridzuan answer incorrectly?

(b)Calculate the difference between Sofian’s marks and Ridzuan’s marks.

Diana is painting statues she has 7/8 of a liter of paint each statue requires 1/20 of a liter of paint how many statues can she paint?

The table shows population statistics for the ages of best actor and best supporting actor winners at an awards ceremony. the distributions of the ages are approximately bell-shaped. compare the z-scores for the actors in the following situation. best actor best supporting actor muequals42.0 muequals49.0 sigmaequals7.3 sigmaequals15 in a particular year, the best actor was 59 years old and the best supporting actor was 45 years old. determine the z-scores for each. best actor: z equals best supporting actor: z equals (round to two decimal places as needed.) interpret the z-scores. the best actor was (more than 2 standard deviations above more than 1 standard deviation above less than 1 standard deviation above less than 2 standard deviations below) the mean, which (is not, is) unusual. the best supporting actor was (less than 1 standard deviation below more than 1 standard deviation above more than 2 standard deviations below more than 1 standard deviation below) the mean, which (is is not) unusual.

Write 5(6x+4)-2(5x-2) in the form a(bx+c) where a,b and c integers and a> 1