(-4)(9)+(-55/-5)
-36+11
= -25
Answer:
∠ 4 = 117°
Step-by-step explanation:
∠ 1 and ∠ 4 are alternate angles and supplementary, sum to 180°, then
∠ 4 = 180° - 63° = 117°
Heterogeneous and homogeneous
16x-15-9x=13
7x-15=13
+15 +15
x=4
Answer:
6327
1827
2418
832
742
606
3248
2127
5436
203 X 4=812
Step-by-step explanation: