Answer:
3
Step-by-step explanation:
2 -3 = -1 + 4 = 3
I take it each student is going to make a block.
She has 25 + 28 students all together which is 53 students total
Each one requires 512 magnetic blocks
Therefore she needs 53 * 512 = 27136 blocks.
Answer :
the answer is -4/5 or -0.8
step-by-step explanation:
1-9/7+3 = -8/10
now simplify that,
-8/2 = -4
10/2 = 5
so we have -4/5 0r -0.8
The answer is C)i, ii, iii, iv
Answer:7/8 8/7
Step-by-step explanation: