A farmer wants to build a new fence around his pumpkin farm. Using the figure below which expression represents the perimeter of the pumpkin farm?
(2x + 1)
Pumpkins
Corn
(3x + 5)
(x2 - 2x - 1)
A XP +X-3
B 2x2 + 2x + 6
C 2x + 8x
D X = 2x2 + x + 3
I need help

Each person in an it department of 25 people works on at least one of 3 major projects: system security, program implementation, platform development. 10 people work on system security, 13 work on program implementation, and 12 work on platform development. 4 people work on system security and platform development, 5 people work on program implementation and platform development, and 2 people work on all three projects. how many people work on system security and program implementation?

Identify the initial amount a and the growth factor b in the exponential function. a(x)=680*4.3^x

"curse these trig-loving pirates! " devora mutters as she looks at the map. then, after thinking for a moment, she walks back to the entrance of the secret cave, measuring 48 meters along the way. after performing a calculation, devora walks back to the empty treasure, faces the entrance, and turns a certain number of degrees to her left before walking 89 meters to the treasure. supposing that the angle at the cave entrance is acute and that devora's calculations were correct, how many degrees did she turn?