The cost C
, in £, of a monthly phone contract is made up of the fixed line rental
L
, in £, and the price
P
, in £ ,of the calls made. Enter a formula for the cost and, enter the cost if the line rental is £20 and the price of calls made is £12.

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.

From the beginning of the day the temperature rose 15 degrees so that by 4 pm it was 87 degrees. what was the temperature at the start of the day

What is the approximate value of  q  in the equation below? –1.613–1.5220.5853.079