Find the value of 45 - 0.023

What is the missing constant term in the perfect square that starts with x^2 -20x

Two streets intersect at a 30- degree angle. at the intersection, the are four crosswalks formed that are the same length. what type of quadrilateral is formed by the crosswalks?

How do businesses a country's economy? a. by investing in goods and services b. by increasing the unemployment rate c. by making profits