Solve the equation

So we have:

Factor, 2 numbers of which the sum is -13 and multiplying gives 36, these two are -4 and -9
So solve:

The solutions:
4 and 9
Answer:
113 
Step-by-step explanation:
top rectangle = l x w = 6 x 13 = 78
lower rectangle width = 13-8=5. so a = l x w. 7 5 = 35
78+35= 113
Answer:
60 inches²
Step-by-step explanation:
Unit test
Answer:
1+1=2
2+2=4
4+3=7
7+4=11
so the patter is number + natural numbers (serially)
Step-by-step explanation: