Solve the system below by substitution. write the solution as a coordinate pair. 5x - y = 19
y = 2x - 1

Acity plans to build a new rectangular-shaped park. the perimeter of the park will be 940 meters. the width of the park will be 300 meters. what will be the length, in meters, of the new park?

An an average person has 6×10 by the power of two as many red blood cells as white blood cells a small sample of the blood has 7×10 by the power of three white blood cells about how many red blood cells are in the sample

Which shows a reasonable estimation for 124% of 42 using the distributive property?