36 becomes a negative
First -36 + -1 -37
Next: -18 + -2 = -20
Next: -12 + -3 = -15
Next: -9 + -4 which equals -13
Finally we get to the last part: -6 + -6 = -12
We change z2 to


- 6(z) = 36
z(z) - 6
Because, we add up for the first two terms
Switch up, up the problem 6(z) - 6
Now, let's add the number 4 on the terms
z - 6 (z - 6)
Then, let's multiply z - 6 from z - 6

From this problem we have to add 6 from the sides that we are working with
Therefore, your answer for z is 6
Samantha read 6 pages in 12 minutes
If the ratio is 6:7 the students should divide nicely into 6+7=13 parts. Six of those parts are girls, seven of those parts are boys.
364 / 13 = 28
So 6 × 28 = 168 girls
Answer: 168
Check:
7 × 28 = 196 boys
168 + 196 = 364, good
Let x- intercept represents time
Let y-intercept represents population
Let 1990 represent initial year
Points are (0,14.2)(10,12.4)
slope m= 
= 
General linear equation
y= mx+b --------------(i)
here m is slope and b is intercept
plug the 1st point in equation
14.2= -0.018(0) + b
b=14.2
y= 0.018x + 14.2
replace y with p(t) and x with t
p(t) = -0.018t + 14.2