Answer:
50
Step-by-step explanation:
{ (-5)-(-7)-(-3) } x10
{ (-5) +7 +3 } x 10
(-5 +10) x 10
5 x 10 = 50
15.18
66 divided by 100 =.66
.66 x 23 =15.18
Answer:
This is much the same as the last one:
How many hours a week does he work?
18
Then give him his wages:
18*10=180
Presto!
Answer:$180
Step-by-step explanation:
1) 
and 
and 
bisect each other (given)
2) 
is a parallelogram (a quadrilateral with diagonals that bisect each other is a parallelogram)
3) is a rhombus (a parallelgoram with congruent diagonals is a rhombus)
4) 
(halves of congruent segments are congruent)
