F(x)=x³ e⁴ˣ , x∈R
Find f'(x)

Prove that the value of the expression 7^8–7^7+7^6 is divisible by 43.

If abcde is reflected over the x-axis and then translated 3 units left, what are the new coordinates d? are he re

White shapes and black shapes are used in a game. some of the shapes are circles. while the rest are squares. the ratio of the number of white shapes to the number of black shapes is 5: 11. the ratio of the number of white cicrles to the number of white squares is 3: 7. the ratio of the number of black circles to the number of black squres is 3: 8. work out what fraction of all the shapes are circles.