A coin contains 9 grams of nickle and 16 grams of copper, for a total weight if 25 grams. What percentage of metal in the coin is copper?

Determine the critical value (s) of the test statistic for each of the following small sample tests for the population mean where the assumption of normality is satisfied. Round your answer to four decimal places. Step 1 of 3: Left-tailed test,α=0.

Price of a bag is £100 you will get 10% off how much will it cost?

Work out the value of: 3x + 2y When x = - 3 and y = - 4

What is the next step to solve this equation? 3x - 5 = 7

The relationship between numbers in List X and List Y follows the rule y = x + 2.05. Which diagram shows this relationship?

Which expression shows how to use place value and the distributive property to find 56 (82) ? 56 (80) + 56 (2) 56 (8) + 56 (2) 50 (6) + 80 (2) 50 (80) + 6 (2)

The expanded form of 10 to the power of 0

Five is three more than a number n. I don't understand this at all!

How can you use the side lengths of a triangle to determine if it is an acute triangle?

On the 5th grade class picnic, 50 students share 75 sandwiches equally. How many sandwiches does each student get?