Because 42 is a multiple of 2
Answer:
39
Step-by-step explanation:
These are congruent, one triangle is twice as big as the other. 117/2=54
so we know that one is twice as big as the other.
78/2=?
?=39
Answer:
it's the last one.
Step-by-step explanation:
both of them have ÀF as part of their angle.
1. -7×3t−7×−9
2. -21t−7×−9
3. -21t−(−63)
Answer:
-21t + 63