The measure of each side length of a unit cube is?

The border line of the linear inequality 4x + 7y < 5 is dotted true or false?

[15 points, algebra 2]simplify the complex fraction and find the restrictions.

Julie goes to the sports store and spends $40.50 before tax. she buys a pair of shorts for $21.75 and 3 pairs of socks that each cost the same amount. how much does each pair of socks cost? $$