Point charges q1=50μcq1=50μc and q2=−25μcq2=−25μc are placed 1. 0 m apart. What is the force on a third charge q3=20μcq3=20μc placed midway between q1q1 and q2q2 ?.

Match each expression with its simplified form.

Acable company wants to provide cell phone service for residents on an island. the function for the cost of laying the cable from the island to the mainland is c(x)= 6.500 square root x2+4, where x represents the length of the cable in feet. what are the domain and range of the function? a) domain: all real numbers range: all real numbers greater than or equal to 17,000 b) domain: all real numbers greater than or equal to 0 range: all real numbers greater than or equal to 17,000 c) domain: all real numbers greater than or equal to 0 range: all real numbers greater than or equal to 13,000 d) domain: all real numbers greater than or equal to 13,000 range: all real numbers greater than or equal to 0

Factor the expression using gcf 9b+45