Prove that (n+5) ^2 - (n+3) ^2 is a multiple of 4 for all positive integer values of n.

A boat costs $11850 and decreases in value by 10% per year. How muxh will the boat be worth after 8 years?

Write 3 different ways you can express multiplication using the problem 8 times a number

A circus ticket costs $7. On weekdays, the circus sells tickets at a 15% discount. What is the amount of the discount? How much would a circus ticket cost on a weekday? A.) $0.08; $6.92 B.) $2.14; $4.86 C.) $0.47; $6.53 D.) $1.05; $5.95

The volumes of soda in quart soda bottles are normally distributed with a mean of 32 ounces and a standard deviation of 1.2 ounces. what percentage of soda bottles will have a volume less than 31.46 ounces

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It takes three hours for a boat to go 18 miles downstream, and nine hours to return. What is the rate of the boat in calm water and the rate of the current?

A bag contains purple marbles and yellow marbles, 86 in total. The number of purple marbles is 2 more than 5 times the number of yellow marbles. How many purple marbles are there?

Kathleen had a bag of candy-coated chocolates. Of the 60 candies in the bag, 20% were red, 30% were orange, 30% were green, and 20% were blue. Of the blue ones, 10% had a damaged candy coating.

On a baseball diamond, 1st base, 2nd base, 3rd base, and home plate form a square. If the ball is thrown from 1st base to 2nd base and then from 2nd base to home plate, how many feet has the ball been thrown?

Lewis paid $13.55 for a beach chair and $5.75 for a book. How much did Lewis spend? $7.80 $18.20 $19.20 $19.30