A) 40 out of 100 are red.
The probability would be 40/100, which reduces to 2/5
B) 40 out of the 100 are purple.
The probability would be 40/100, which reduces to 2/5
C) the two probabilities are the same.
Answer:


Step-by-step explanation:
<em>See Attachment for complete question</em>
To determine which of the options has (-4,2) as its solution; we have to test each linear combination until we arrive at an answer;
Given that

Testing Option A


Substitute
and
in 

Open Brackets


Substitute
and
in 

Open Brackets


<em>In both cases, the expression on the right hand side equates to that on the left hand side; </em>
<em>Hence, there's no need to check for other options. </em>
Answer:
x> -1/2
Step-by-step explanation:
Answer:
<
Step-by-step explanation:
because 4/6/7 is less than 0
Dave buys the book for $6, that leaves him with $3, Dave has to buy two cards that each cost $1.5 at most in order to buy the same card for each friend.