Plz Help i need it!
my test is timed HELP!

b. 100cm²

Step-by-step explanation:

Split into two shapes= A triangle and rectangle

TRIANGLE:

5×12=60      (12 because 14-2=12)

60/2=30

30cm²

RECTANGLE:

5×14=70cm²

The total area = 30+70=100

100cm²

I hope this helps :)

The answer is 100 squared cm.

Step-by-step explanation:

The area of the triangle is 30.

The rectangle's are is 70.

70 + 30 is 100.

4 and 5)16.97 or 12√2

6)15.59 or 9√3

7)y = 15.59 or 9√3     x =27

8)17.80