Add 2 3/4 and 2 1/2 and you’ll get ur answer. area means total and when u see area, it means add
First. we use the Pythagorean theorem:

Add the numbers in

start simplifying


So, the leg has a length of 40 mm.
Answer:
b) -10
Step-by-step explanation:
x^2 + 3x + k = (x - 2)(x - a)
(x - 2)(x - a) = x^2 - 2x - ax + 2a = x^2 + [-2 - a)x] + 2a
-2 - a = 3
2a = k
a = -5
k = 2(-5) = -10
Answer: b) -10