Please help asap

i keep failing these quizzes i’m so confused

Jacks bank statement shows an account balance of -$25.50. which describes the magnitude, of size, of the debt in dollars

What is the 12th term of b(n)=-4-2(n-1)

Twenty points. suppose that one doll house uses the 1 inch scale, meaning that 1 inch on the doll house corresponds to 1/2 foot for life-sized objects. if the doll house is 108 inches wide, what is the width of the full-sized house that it's modeled after? in inches and feet