9(5j+k) what is the answer to this problem? i do not understand how to do this. the question is under the subject if distributive property with negative numbers.

Moira has a canvas that is 8 inches by 10 inches. she wants to paint a line diagonally from the top left corner to the bottom right corner. approximately how long will the diagonal line be?

Explain why the factor 1.5 is broke. into two numbers in the model.

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?