Current area is 5ft * 10ft = 50ft^2.
Increasing by x, you have:

Since length must be positive,
Answer:
30
Step-by-step explanation:
6x
Replace 'x' with 5.
6(5) =
6 * 5 =
30
Hope this helps.
1.72 because rocks 1 and 2 add up to 44.58 46.3-44.58=1.72
F(-4) = 3 x 2 - 5(-4) + 4
3x2= 6
-5(-4)= 20
6-20= -14
-14+4= -10
f(-4) = -10