Answer:

area: 136 cm
perimeter: 48 cm
Step-by-step explanation:
For the first one just subtract

for the second one you just have to break it into smaller, more digestible pieces (work below)
Answer:
60 to nearest 10th is 60.
Step-by-step explanation:
i hope that is right if it is can b e marked brainest?
You have a bunch of interesting figures there (check the diagram):
- square (in red)
- parallelogram (in green)
- Isosceles trapezoid (in yellow)
- Isosceles triangles (blue, and purple)
Notice that you have more than one of the same figures: a bunch of small isosceles triangles, tow isosceles trapezoids, two big isosceles triangles... etc.
Answer:
b=cube root of 3s/a
Step-by-step explanation:
First multiply 3 on each side getting 3S=ab³
Second divide by a getting b³=3S/a
Third take the cube root of both sides getting the cube root of 3S/a
Answer:
6x + 1
Step-by-step explanation:
Distribute
3 + 2 ( x- 1 ) + 4x
3 + 2x - 2 + 4x
Subtract
3 + 2x - 2 + 4x
1 + 2x + 4x
Like terms
1 + 2x + 4x
1 + 6x
Rearrange
6x + 1