The table shows the cost of posting parcels. Jake wants to post a 600 gram parcel and an 800 gram parcel.

He posts them Second Class.
He pays with a £10 note.

How much change should he get?

Tom is making a punch that contains 80% cranberry juice and the rest ginger ale. the punch has 2 liters of ginger ale. part a: write an equation using one variable that can be used to find the total number of liters of cranberry juice and ginger ale in the punch. define the variable used in the equation and solve the equation. hint: 0.8x represents the number of liters of cranberry juice in the punch. (5 points) part b: how many liters of cranberry juice are present in the punch? show your work.

If f(x) = x+8 and g(x) = 4x- 3, find (f+g)(x)

Abacteria population is tripling every hour. by what factor does the population change in 1/2 hour? select all that apply