Write balanced, net ionic equations for the reactions Sr(NO )2 (aq)+ H2SO4 (aq) →SrSO4 (s) + 2HNO3 (aq)

Twice the sum of a number and 4 is equal to three times the difference of the number and 7. find the number.

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.

Factor the polynomial 4x4 – 20x2 – 3x2 + 15 by grouping. what is the resulting expression? (4x2 + 3)(x2 – 5) (4x2 – 3)(x2 – 5) (4x2 – 5)(x2 + 3) (4x2 + 5)(x2 – 3)