Answer:
(5x+10y)/(x+2y)
Step-by-step explanation:
Answer:
c. 60
Step-by-step explanation:
Given
--- sample

Required
Determine the degrees of freedom (df)
This is calculated as:



Answer:
$ 2330
Step-by-step explanation:
a = $240
Earning at the end of fifth week = $ 680
increase in earnings per weak = ( 680 -240)/2 = 440/2 =110
d =110
l = a + (n-1)d
a20 = 240 + (19 * 110 ) = 240 + 2090 = 2330
Answer:
18
Step-by-step explanation:
Easy, so absolute value makes anything inside into positive
|x|=2
therefor x=-2 or x=2 since it would be made posotive
answer is -2 and 2