Answer:
10m
Step-by-step explanation:
Use the area of triangle:
Area of triangle =

1/2 × b × 3 = 15
b × 3 = 30
b = 30/3
b = 10
Answer:
7
Step-by-step explanation:
The domain is going to be ur x values....the number of minutes
therefore, ur domain is : I know it is either A or C.....I am thinking C because it does not have to be a whole minute...it can be 1.5 minutes...so that would eliminate A. final answer is gonna be C
Formula for this is as follows:
probability of her passing both 0.6/0.8 - first test and this is a fraction. 0.6/0.8
0.6/0.8= divide 0.6 by 0.8=0.75
that means probability of her passing the second test is 75%