Five times the sum of a number and 27 is greater than or equal to six times the sum of the number and 26 what is the solution to set of the problem

Last saturday, the museum box office sold 281 tickets for a total of $3,954. adults ticket cost $15, and students ticket cost $12. how many of each kind of tickets were sold?

Use the inverse of the function y=x^2-18x to find the unknown value [tex]y = \sqrt{bx + c \: + d} [/tex]

Aline has a slope of 1/4 and passes through point (0.4,-1/2). what is the value of the y-intercept?