Answer:
shheeeesh that is hard good luck
The area of a triangle in determined by the formula:

where b is the base of the triangle and h is it's height
You just have to replace the b and h with their values in the formula (b=9.9ft and h=5.5ft)
The answer is 27.225 ft^2
Answer:
Step-by-step explanation:
vector u=<(11-(-7),(-5-2)>=<18,-7>
as direction is opposite to u
so vector v=-3(18,-7)=(-54,21)
Answer: 
Step-by-step explanation:
The confidence interval of population proportion is given by :-

Given : Sample size : 
The proportion of individuals lease a car :
Significance level : 
Critical value : 
Then, the confidence interval of population proportion is given by :-

Hence, the confidence interval for the population proportion with a 90% confidence level= 
Answer:
58
Step-by-step explanation: