Ahospital employs a total of 77 nurses and doctors. the ratio of nurses to doctors is 9: 2. how many nurses are employed at the hospital? how many doctors are employed at the hospital? (use a system of equations)

Abicycle training wheel has a radius of 3 inches. the bicycle wheel has a radius of 10 inches.approximately how much smaller, in square inches and rounded to the nearest hundredth, is the area of the training wheel than the area of the regular wheel? *

Acylinder with a radius of 1 cm and a height of 21 cm has the same volume as a cone with a height of 7 cm. what is the radius of the cone? a) 3 cm b) 5 cm c) 7 cm d) 9 cm

Given that p = (-7, 16) and q = (-8, 7), find the component form and magnitude of vector qp--> . (options below, will mark )