Las helices del rotor de un helicoptero son 16ft de largo yy estan rotando a 120 rpm. encuentra la velocidad angular de un punto localizado en la punta de una de las helices

An angle bisector ac divides a trapezoid abcd into two similar triangles ? abc and ? acd. find the perimeter of this trapezoid if the leg ab=9 cm and the leg cd=12 cm.

Pl approximate the value of 13−−√ to the nearest tenths place. plot the approximation on the number line.

Amanufacturing company produces engines for light aircraft. the graph shows the number of engines produced each year since the company started operations. the data plot can be represented by the function . based on the scatter plot, we can predict that in the ninth year, the company will produce engines.