URGENT! S is a geometric sequence.
a) (√x + 1), 1 and (√x - 1) are the first three terms of S.
Find the value of x.
You must show all your working.
x=2
Given the value of x, can someone figure out the next part please?

b) The 5th term of S can be written in the form a √2 + b
where a and b are integers.
Find the value of a and the value of b.
a=
b=

Landon wallin is an auto mechanic who wishes to start his own business. he will need $4400 to purchase tools and equipment. landon decides to finance the purchase with a 48-month fixed installment loan with an apr of 5.5%. a) determine landon's finance charge. b) determine landon's monthly payment.

Simplify the expression and find the missing terms. the simplest form of has in the numerator and in the denominator.

3.17 scores on stats final. below are final exam scores of 20 introductory statistics students. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 57, 66, 69, 71, 72, 73, 74, 77, 78, 78, 79, 79, 81, 81, 82, 83, 83, 88, 89, 94 (a) the mean score is 77.7 points. with a standard deviation of 8.44 points. use this information to determine if the scores approximately follow the 68-95-99.7% rule. (b) do these data appear to follow a normal distribution? explain your reasoning using the graphs provided below.