Step-by-step explanation:
For the first one for A, B, C its the explanation in the left corner
Answer:

Step-by-step explanation:
Given the expression:

We are to simplify and obtain an equivalent expression.
Step 1: Change to Improper Fractions

Step 2: Take the Lowest Common multiple of the denominators
LCM of 8 and 4 is 8.
Therefore:

Therefore, an equivalent expression to
is
.
Answer:
<em>12.5%</em>
Step-by-step explanation:
<u>Probabilities</u>
When flipping three fair coins, we can get the following events, being H=Heads, T=Tails

We are looking for the probability of only one specific outcome: THT. The probability to get exactly that combination one out of 8 possible results, that is

The probability to get a tail on the first flip, a head on the second flip, and another tail on the third flip is 12.5%
Answer:
If 4 students travelled in cars, then 341 - 5 = 336students travelled by bus.
There were 5 buses. 336÷ 6 = 56
There were 56 students on each bus.
Answer:
b. z is less than -7
Step-by-step explanation: