Here's a challenging mathematics question you can try.
[(x+-a)]²- [(xy)(za)]=
variable key
x=9
z=5
a=10
c=12
y=2
b=17
*hint=the answer is negative. good luck!

This is different from the first one can someone me

Jessie and bob are financing $425,500 to purchase a house. they obtained a 30/8 balloon mortgage at 6.55%. what will their balloon payment be?

Now, martin can reasonably guess that the standard deviation for the entire population of people at the mall during the time of the survey is $1.50. what is the 95% confidence interval about the sample mean? interpret what this means in the context of the situation where 95 people were surveyed and the sample mean is $8. use the information in this resource to construct the confidence interval.