Aria needs to work out how many fish can be put in the pond. She wants have both Koi fish and Goldfish.

The number of fish is based on the surface area of the water in the pond.

Koi Fish need 12^2 m each
Goldfish need 0.6^2 m each.

Aria wants to have a mixture of Koi fish and Goldfish in the ratio 1:4

What is the maximum number of Koi fish and Goldfish that Aria can put in the pond, if she keeps the ratio 1-4?
[2 marks]​

If a baby uses 15 diapers in 2 days, how many diapers will the baby use in a year?

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.

Acollection of coins has value of 64 cents. there are two more nickels than dimes and three times as many pennies as dimes in this collection. how many of each kind of coin are in the collection?