Answer:
a
Step-by-step explanation:
It is a tool as it represents the language of patterns.
It is also a means of working with abstract notions and then applying them, which frequently leads to the formation of generalisations and insights outside of the original context.
Answer: a) is right
Step-by-step explanation: Mode is 26 because there are more numbers 26 than others. Median is average of two numbers in middle because there are even amount of numbers, also 0.5·(21+23)= 22. Average is 22.4
7/10
f (x)=-5x^2+7x+6
df(x)/dx=-10x+7
set df(x)/dx=0 to find vertex
10x=7
x=7/10
1000 is better you get 1 staple for every $3 as opposed to 1 staple every $2.50
You get double for $0.50 more per staple