Write an equation in point-slope form of the line having the given slope that contains the given point. m=−23, (154,−12) select one: a. y+12=−23(x−154) b. y−154=−23(x+12) c. y+12=−23(x+154) d. y=−23x+4112

15. jiovanni is looking in to two different companies that offer study guides for math exams.test prep 101 charges a $5 flat fee and an additional $0.25 per problem.math charges a $2 flat fee and an additional $0.50 per problem.how many prablems would make the costs of the two companies be equal? varibles: equations/eniqualities{ {