Answer:
y is the same as 1y. so 9y + 1y = 10y
I think it's the first one :?
Answer:
It's simple.
Step-by-step explanation:
Inequalities that use < or > symbols are plotted with a dashed line to show that the line is not included in the region. Inequalities that use ≤ or ≥ symbols are plotted with a solid line to show that the line is included in the region.
C. 135
Corresponding parts of congruent figures are the same