Figure ABCD is a parallelogram. What is the perimeter of ABCD?
A
4y - 2
B
14 units
38 units
3x - 1
(2x+2
44 units
49 units
D
2y + 6
с

Marco is studying a type of mold that grows at a fast rate. he created the function f(x) = 345(1.30)x to model the number of mold spores per week. what does the 1.30 represent? how many mold spores are there after 4 weeks? round your answer to the nearest whole number. 1.30 represents the number of mold spores marco had at the beginning of the study; 985 mold spores 1.30 represents the number of mold spores grown in a given week; 448 mold spores 1.30 represents the 30% rate of weekly growth; 345 mold spores 1.30 represents the 30% rate of weekly growth; 985 mold spores

The center of the circumscribed circle lies on line segment and the longest side of the triangle is equal to the of the circle.

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