Gavin, Harry and Isabel each earn the same monthly salary. Each month,
Gavin saves 28% of his salary and spends the rest of his salary
Harry spends of his salary and saves the rest of his salary
4
the amount of salary Isabel saves: the amount of salary she spends = 3:7
Work out who saves the most of their salary each month.
You must show how you get your answer.

The table respent two linear functions the equation respented by the first tables is given

The angles below are supplementary. what is the value of x? a pair of supplementary angles is shown. one angle measures 7x + 33, and the other angle measures 70. 5.3 8.14 11 14.7

The position of a moving particle is given by the position function: f(t)=-9t-t^2-0.2t^3+0.1t^4 a. at what time does the particle reverse direction? b. when is the displacement positive? (round one decimal place and answer in interval notation) c. when is the displacement negative? (round one decimal place and answer in interval notation) d. when is the particle’s acceleration positive? (round one decimal place and answer in interval notation) e. when is the particle’s acceleration negative? (round one decimal place and answer in interval notation)