In a certian city there are 5 college and 20 school. each school has 3 peons 1 clerk and 1 head clerk whereas a college has 5 peons 3 clerk 1 head clerk and an additional staff as a caretaker. the monthly salary of each of them is as follows: peon nu 1100 clerk nu 1700 head clerk nu 3000 and caretaker nu 2500.using matrix method find the total number of post of each kind in school and college taken together.​

Design an er diagram for keeping track of information about votes taken in the u.s. house of representatives during the current two-year congressional session. the database needs to keep track of each u.s. state's name (e.g., texas', new york', california') and include the region of the state (whose domain is {northeast', midwest', southeast', southwest', west'}). each congress person in the house of representatives is described by his or her name, plus the district represented, the start date when the congressperson was first elected, and the political party to which he or she belongs (whose domain is {republican', democrat', 'independent', other'}). the database keeps track of each bill (i.e., proposed law), including the bill name, the date of vote on the bill, whether the bill passed or failed (whose domain is {yes', no'}), and the sponsor (the congressperson(s) who sponsored - that is, proposed - the bill). the database also keeps track of how each congressperson voted on each bill (domain of vote attribute is {yes', no', abstain', absent'}). additional information:

Identify this conic section. x2 - y2 = 16 o line circle ellipse parabola hyperbola

The height of a plant, in inches, p years after planting it is given by the polynomial function r(p) = -2p% + 270p. find the height of the plant when p = 90 years.