Atrain fare costs £23.55 all train fares are increased by 2.8% work out the new fare. [2 marks] 4 a savings account pays 3.6% per annum simple interest. heidi puts £400 into the account. how much will she have in the account after 5 years? [2 marks] answer 5 in one week the mass of a puppy increases from 1.8 kg to 2.25 kg work out the percentage increase of the mass. [2 marks]

Write a polynomial function f of least degree that has rational coefficients, a leading coefficient of 1, and the given zeros. 3, 4+2i, 1+(sqrt)7 the answer is supposed to be: f(x)=x(^5)-13x(^4)+60x(^3)-82x(^2)-144x+360 what am i doing wrong?

The graph of y x3 is translated so that the point (1. 1) is moved to (1, 4). what is the equation of the new graph?

Asales representative from a local radio station is trying to convince the owner of a small fitness club to advertise on her station. the representative says that if the owner begins advertising on the station today, the club's total number of members will grow exponentially each month. she uses the given expression to model the number of club members, in hundreds, after advertising for t months.