Help it’s for a quiz !!Create a recursive rule and an explicit rule for the sequence below. Then find the 15th term.
3, 12, 48, 192,...
Recursive Rule:
Explicit Rule:
15th term:

If cos(2x) = tan^2(y), show that cos(2y) = tan^2(x).

The rectangle shown has a perimeter of 108 cm and the given area. its length is 6 more than five times its width. write and solve a system of equations to find the dimensions of the rectangle.

Can some one explain how to slove specifically, what is the value of x? 0.9(x+1.4)-2.3+0.1x=1.6 enter the answer as a decimal in the box. x= ?