Write the number 76,689 in expanded form

Sam claims that cos x =sin y if x and y are congruent angels. is sam correct ?

Oscar and julie ashton are celebrating their 15th anniversary by having a reception hall. they have budgeted $4,500 for their reception. if the reception hall charges a $90 cleanup fee plus & 36 per person, find the greatest number of people that they may invite and still stay within their budget.

What is the y-intercept of the line given by the equation