Prove that if n is odd, then 3 is not a square in gf(5n) in other words, prove that there is no element a gf(5n) with a2 = 3.

Agarden consists of an apple tree, a pear tree, cauliflowers, and heads of cabbage. there are 40 vegetables in the garden. 24 of them are cauliflowers. what is the ratio of the number of cauliflowers to the number of heads of cabbage?

The sides of a parallelogram are 24cm and 16cm. the distance between the 24cm sides is 8 cm. find the distance between the 16cm sides

Apack of gum would be considered a(n) necessity luxury item small ticket item unaccountable expense