Answer:
C
Step-by-step explanation:
40 x 80 = 3200
120 x 100 = 12000
3200 + 12000 = 15200
" / " this means divide, so if your dividing it is 8 because 8 times 3 is 24
Answer:
87
Step-by-step explanation:
Do what's inside the paranethesis first
2+(9*3)=2+27=29
29*3=87
Answer:
x < 30
Step-by-step explanation:
x is every number less or equal to 30
Use cos^-1(0.6157) and u might find the answer
