show the following set of horn clauses is satisfiable or not
{{p,¬q},{¬p,¬q, r},{¬p,¬q,¬t},{¬p,¬r, s,¬t},{q},{¬q, r,¬t},{¬r,¬t},{¬r, s}}

x² + 3x + 7 = 0       [ax² + bx + c]

a = 1

b = 3

c = 7

quadratic formula:

    (+/- is this ±)

plug in the numbers into the variables

your answer is a

actually your concept is wrong

step-by-step explanation:

150% of x =300

150x=300×100

x=(300×100)÷150

x=200

b

step-by-step explanation:

6

step-by-step explanation: