Answer:
it is a
Step-by-step explanation: it took that already
The area of a rectangle is length * width so: (x+4) * (x-9)
(I assumed you meant x+4 just forgot to put the "+" there, if it's something else, then just simply use that instead.)
Answer:
a) P = 26 cm
b) A = 36 cm²
Step-by-step explanation:
perimeter is sum of all sides: 6+4+2+3+4+7 = 26
Area can be found by taking entire area, 7x6, then subtracting out the area of the missing piece, 2x3
A = 42 - 6 = 36 cm²
