To solve both of these expressions, we want to add or subtract from left to right.

For the first one, we can rewrite it as:

8-6-9
=2-9
=-7

The second one we can rewrite as:

5-7+9+8-4
=-2+9+8-4
=7+8-4
=15-4
=11

5 0

3 years ago

54:63 in simplest form

Bas_tet [7]

Answer:

I think it is 6/7

Step-by-step explanation:

I am really bad at explaining but I'm not completely sure

4 0

2 years ago

Read 2 more answers

The weight of a tree is doubling every 3 years and how many years will be way of the tree be 1600% of its weight now

BARSIC [14]

Doubling every 3 years, meaning 200% every 3 years.

$1600 \div 200 = 8$
$8 \times 3 = 24$
The answer is 24 years.

Hope this helps. - M

6 0

2 years ago

3. Susan earns money by babysitting for relatives and neighbors. She charges $10 per

pshichka [43]

Answer:

e= 10h+5

Step-by-step explanation:

h is no of hours

e is earnings

4 0

1 year ago