Can someone please help me? I need someone to answer and explain, I’ll reward points + brainalist (btw only need help with 13)

5982

Step-by-step explanation:

The area of the rectangle is L*w so 100*50= 5000

the area of the semi-circle on top is

Total area is 5000+981.75= 5981.75

round up to 5982

6(x + 9) = 3. x = -7

Step-by-step explanation:

if you distribute first it gives you 6x + 45 = 3 then you subtract 45 from each side which gets you 6x=-42 then divide by 6 to get x = -7.