Por recomendación médica, Marta sale a caminar en la mañana y en la noche. En la mañana recorre 1,2 km cada hora, mientras que en la noche recorre 1,5 km cada hora. Si en la mañana dedica 1,3 horas a caminar y en la noche 1,6 horas, ¿Cuántos kilómetros camina de lunes a viernes?

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

An arc subtends a central angle measuring 7pi/4 radians what fraction of the circumference is this arc?

How do the definitions, properties, and postulates you've learned about line segments, parallel lines, and angles to define the shapes of polygons