Answer: . 2 + 3b
Step-by-step explanation: Twice b is 2b. Sum of 2 and b is 2 + b. Add them all together and combine like terms. You get your answer.
5/13.....so D because sine is opposite over hypotenuse
Answer: 872
10 times 16 = 160
12vtimes 10 = 120
20 times 20 = 400
12 times 16 = 192
*with the area of triangles, you have to divide your number by 2, but there is 2 triangles, so 192, instead of 96*
Step-by-step explanation: