Answer:

Step-by-step explanation:
-Probability is the likelihood of an event occurring.
-The total number of events is:

-The total number of blue events is:

#Probability of a blue is thus calculated as:

Hence, the probability of choosing a blue marble at random is 37.5%
It is called a complex number.
Answer:
9.5
Step-by-step explanation:
Answer:
1. 151.29 in.²
2. 413 km²
3. 75 cm²
Step-by-step explanation:
1. 12.3 in. × 12.3 in. = 151.29 in.²
2. 17.5 km × 23.6 km = 413 km²
<u>The third is a parallelogram. To find the area of a parallelogram you multiply the base and height.</u>
3. 15 cm × 5 cm = 75 cm²
For further calculation steps, look at these images:
These images are about multiplication and the decimal numbers in the problems have been converted to fractions.
X is the value of interpretation lol what