Answer:
Sure I'm here
Step-by-step explanation:
For some of these, a calculator is helpul.
The sum is 294903.
_____
This is the sum of 15 terms of a geometric sequence with first term 9 and common ratio 2. That sum is given by the formula

Answer:
It'd be easist if one of the variables was by itself
Step-by-step explanation:
I.E: y=2x+4 and 2y+x=23
120 dived by 3 multiplied by 2 is equal to 80 packs of crisps
Answer:
different number of units