Answer:

Step-by-step explanation:

5 for 2.40
2.40 x 2 is 4.80 for 10 cans which is cheaper than 6.50
Answer:
8-(-8) = 8+8
8-8 = 8+(-8)
-8-(-8) = -8+8
-8-8 = -8+(-8)
10-9 = 10+(-9)
10-(-9) = 10+9
Step-by-step explanation:
Remember that if the signs are equal +,+ or -,- , they are positive (+)
if the signs are different like +,- or -,+ then they are negative (-)
Answer:
(x + 9) (x - 8)
Replace a with 9
and b with -8
Step-by-step explanation:
Answer:
b=-1
Step-by-step explanation:
1=(6/-15)(-5)+b
-6/15=-2/5
(-2/5)(-5)=10/5=2
2+b=1
b=1-2=-1