I really don’t understand man sowwy
Answer:
10.3 m/s
Step-by-step explanation:
Speed = Distance / Time
100 metres travelled in 9.7 seconds means that her speed was 100/9.7 metres per second, which is 10.30927... rounded to 10.3 metres per second.
ANSWER
D.

EXPLANATION
We want to find the expression which is a square of a binomial.
In other words, we want to identify the expression which is a perfect square trinomial.

This expression can be rewritten as,

This is a perfect square trinomial that can be factored as:

This is the square of a binomial.
The correct answer is D
Answer:
The results of this survey may be affected by nonrepsonse bias
Step-by-step explanation:
Just took this test
2x+4y=12 ------>1
y=1/2x-3. ------->2
2 into 1
2x+4(1/2x-3)=12
2x+2x-12=12
4x-12-12=0
4x-24=0
4x=24
x=24/4
x=6 ------> 3
3 into 2
y=1/2x-3
y=1/2(6)-3
y/=0
sorry if Im wrong or my is incorrect