The sum of measures of angles A and B is 90°
Hence the angles are complementary
- As complementary angles have sum 90°
9
27/9 = 3
54/9 = 6
81/9 = 9
Answer:
x2+11x+28
Step-by-step explanation:
Thus, (x+7)(x+4) multiplies out to x2+4x+7x+28, which can be simplified to
x2+11x+28
Step-by-step explanation:



HOPE IT HELPS Y
Answer: 1100
Step-by-step explanation: mark x for the total sum.
0.35x+ 0.20x + 495 = x. 495= x-0.35x-0.20x
495= 0.45x. X= 495/0.45