ASAP PLEASE HELP!! I’ll give brianest

Given that the length of arc DC is 9.77 inches and the radius of the circle is 8 inches.
to the nearest degree, what is the mZDPC?

A) if $50000 is invested in a bank account that pays 9.3% of interest compounded on a six-monthly basis, how much money will be in the account after 3 and 12 years? b) if matusalen's father had put $2.0 in the bank when he was born and there, how long would matusalen have had to his death (969 years later) if the interest was 7% per year composed each month and weekly?

Type the correct answer in the box. consider the system of linear equations below. rewrite one of the two equations above in the form ax + by = c, where a, b, and c are constants, so that the sum of the new equation and the unchanged equation from the original system results in an equation in one variable.

Which equation can be used to measure the density of water in a spherical water tank? let w represent the number of water particles within the region.