Use the given information to determine the exact trigonometric value. sin theta = -1/5, pi < theta < 3pi/2, cos theta
a. - 2 sqrt6 /5
b. - 2 sqrt6 /5
c. - 3 sqrt6 /5
d. - 3 sqrt6 /2

Which one is true about the hexagons ?

1c) the number 131 is a term in the sequence defined by the explicit rule f(n)=5n-4. which term in the sequence is 131? 2a) write the first four terms of the function f(n)=n^2-1 2b) what is the 10th term of the sequence defined by the explicit rule f(n)=n^2-1 2c) the number 224 is a term in the sequence defined by the explicit rule f(n)=n^2-1. which term in the sequence is 224?

The figure shows the front side of a metal desk in the shape of a trapezoid. what is the area of this trapezoid? 10 ft²16 ft²32 ft²61 ft²