Answer:
p = - 
Step-by-step explanation:
Given
p = 
( factorise numerator and denominator )
x² - y² ← is a difference of squares and factors as (x - y)(x + y)
x² + xy ← factor out x from each term
= x(x + y) , thus
p = 
← cancel (x + y) on numerator/ denominator
= 
← substitute x = - 4, y = - 6
= 
= 
= 
= -
Answer:
25% of 1000 is 250
Step-by-step explanation:
(<u>25 ÷ 100</u>) × 1000
Divide the numbers
<u>0.25</u> × 1000
<u>0.25 × 1000</u>
Multiply the numbers
<u>250</u>
250
X-intercept : -9 (-9,0)
y-intercept: 3 (0,3)
20
Because I used this website called http://www.alcula.com/calculators/statistics/variance/
Hope this helped :)
Answer:
$2.34
Step-by-step explanation:
7.76+4.50+1.90+1.90+1.60=17.66
20-17.66=2.34
