A diagram of a lot of land is shown. The scale on the diagram is 1 cm represents 2.5 yrds. What is the perimeter of the actual lot of land?

Simplify a7/a4 a) 1/a3 b)-a/a2 c)a4/a3 d)a3

In two or more complete sentences, determine the appropriate model for the given data and explain how you made your decision. (1,-1), (2,0.5), (5,1.5), (8,2)

International calls require the use of a country code. many country codes a 3-digit numbers. country codes do not begin with a 0 or 1. there are no restrictions on the second and third digits. how many different 3-digit country codes are possible?