Answer:
The correct answer is 1/49
Step-by-step explanation:
In order to find this, we first can eliminate the negative in the exponent by putting the whole this in the denominator.
(-7)^-2 = 1/(-7)^2
Now we can evaluate the denominator
1/(-7)^2 = 1/49
30 × 5 = 150
150 - 110 = 40
40 ÷ 2 = 20
So 20 kids brought their own lunch
Hope this helped. Have a great day!
Answer:
y = (2/7)x - 7
Step-by-step explanation:
Answer:
20 weeks in 1 week
in 2 weeks 40
Step-by-step explanation:
Answer:
1b
2b
3a
Step-by-step explanation:
