the expression 15,000(0.91) represents the value of a new car x years after it was purchased. what does 15,000 represents in this equation

Pelle's sister is three years older than pelle the father is 5 times as old as pelle the mother was 28 when the sister was born altogether they are 98 years old how old is pelle?

Type the correct answer in each box. use numerals instead of words. if necessary, use / for the fraction bar. consider the given table.

Determine which expressions represent real numbers and which expressions represent complex number. asaaap! plis!