👉🏼Andrea bought a house. In the first year the value of the house decreased by 10%. In the second year the value of the house increased by 10%. As the end of the second year will the house worth more, less, or the same as what Andrea paid for it?

👈🏼Make m the subject of the equation:

x = 4πm + am

👆🏼Dasha is four years younger than Masha.
Sasha is two years younger than three
times Masha’s age.
The mean of their ages is 13.
Work out the range of their ages.

👇🏼Calculate an estimate of the mean average, using the data in the following table:

🖐🏼In the diagram below, each rectangle is identical. Find the area of one of the rectangles and find the equation of the line that passes through O and E.