<span>σ</span> is a symbol for summation that means that it is used to add all the vales of the equation in the range
for example taking 0<x<4 and x is an integer
so Ď(x - 2)^2= (1-2)^2+(2-2)^2+(3-2)^2
The options were
a. Square each value
b. Subtract 2 points from each score
C. Sum the squared values
d. Subtract 22 from each X2 value
As we can see above the answer is C. Sum the squared values
Answer:
B
Step-by-step explanation:
B because range of set B is more than set A
range B=56-12=44
range A=55-12=43
-19 is the answer ////////////////// sorry i needed more charecters to answer
So hmm check the picture below
the height or altitude is CD
and the base is AB
how long are those? well
