Answer:
f(13)=2x-1, x=7
Step-by-step explanation:
7*2=14, 14-1=13
vise versa
f(13)=2(7)-1
8 is a cube: 2³
27 is a cube: 3³
The expression can be identified as "the sum of two cubes": (2z)³ + 3³.
Answer:
Step-by-step explanation:
i) z = -32
ii)
Convert 91% to a decimal:

Multiply the amount of people by this decimal:

Round the number to the nearest ones value:
1809.
99
9 > 5
1809.99 -> 1810
1,810 people have reached the top of Mount Everest.