Juan invests $5,252 in a savings account with a fixed annual interest rate of 7% compounded 6 times per year. What will his account balance be after 4 years?
A- $6,376.12
B-$6801.96
C-$6,937.82
D-$6,678.65

Solve for x i'll try to attach the files bc it's not letting me for some reason

An arc subtends a central angle measuring 7pi/4 radians what fraction of the circumference is this arc?

Ametal rod needs to be 9 feet and 5.5 inches in length. the sections of the poles being used are each 1 foot and 10.5 inches long. how many 1ft 10.5in sections would be needed to complete the 9ft 5.5in metal rod? and how many inches of material will be left?