pls I need help right triangle and trigonometry special right triangles find the value of each variable​

How do i solve uniform motion problems?

Complete the steps to find 4.830 ÷ 5

What is the sum of the geometric series in which a1 = 7, r = 3, and an = 1,701? hint: cap s sub n equals start fraction a sub one left parenthesis one minus r to the power of n end power right parenthesis over one minus r end fraction comma r ≠ 1, where a1 is the first term and r is the common ratio