What is the answer too -9/10 divided by -6/15 pls answer quickly ❤️

2.25

Step-by-step explanation:

-9/10÷ -6/15

Because it is division, the minus sign will cancel out each other, so we have

9/10÷6/15

To make it easier, we turn the division sign to multiplication and that will change 6/15 to 15/6.

9/10 X 15/6

0.9X2.5

=2.25

We may also leave it at division

9/10÷6/15

0.9÷0.4

=2.25

a4 - 3a2 - 1

step-by-step explanation:

step   1   :

equation at the end of step   1   :

  ((a4) -   3a2) -   1

step   2   :

trying to factor by splitting the middle term

2.1     factoring   a4-3a2-1  

the first term is,   a4   its coefficient is   1 .

the middle term is,   -3a2   its coefficient is   -3 .

the last term, "the constant", is   -1  

answer: when you burn wood, the carbon reacts with the oxygen in the air to create ash and smoke. that is a permanent change you cannot undo that.

step-by-step explanation: