Answer:
1. You cannot divide by zero.
2. The inequality is equivalent to -20.2 > 0, which is false.
Answer:
Step-by-step explanation:
Given
Stage 20 has
circles
Considering at each consecutive stage circle doubles itself
So at stage 21, there will be
circles
Answer:
9b-12<9b+8
Step-by-step explanation:
b<20
The first one is congruent by ASA. The second does not have to be congruent, we don’t know enough.
Step 1: remove parentheses
1-7+2.5
step 2:simplify 1-7 to -6
-6+2.5
step 3 :simplify
-3.5
the answer is -3.5