Answer:

Step-by-step explanation:
multiply first x by second x
multiply first x by -5
Multiply 2 by second x
multiply 2 by -5
(x×x)+(x×-5)+(2×x)+(2×-5)
this is equal to

Answer:
Assuming angle A and angle B are the same, the answer would be 45 degrees.
Step-by-step explanation: A triangle always = 180 degrees. There is a right angle (90 degrees) 180-90= 90. 90/2 = 45
Answer:
1232
Step-by-step explanation:
Area of a circle is πr^2.
From this, we can calculate
π*2.5^2
= π*6.25
= 19.625
= 19.6