I think its C but not sure
Answer:
2.25
Step-by-step explanation:
25% is a quarter
therefore a quarter of 9 is
0.25×9
=2.25
2 + x = -19 <=> x = -19 -2 = -21
The question 2 .
428×7.1=3038.8
-12+8=-4
3.4408÷0.092 =37.4
-18÷2=-9
Answer:

Step-by-step explanation:
The given triangle is a 45°-45°-90° triangle. Use the following rule:

The length of the legs is 4. Insert this value into the equation:

Simplify:

:Done