C! 80 + 10 is 90, 90+90 is 180. There are 180 degrees in one triangle
Answer: −10
Step-by-step explanation: 9^2−21/−6
81−21/−6
60/−6
−10
Yes 143 and 63 are relatively prime because they have no prime factors in common
brainliest answer please?
Answer: F
Step-by-step explanation:
This is basically like 2 rectangles. Find the area of both and add them together.
Remember that the area is x .
Area of Rectangle 1: = 7, = 14
14 x 7 = 98
Area of Rectangle 2: = 5, = 14
14 x 5 = 70
Add the areas together: 98 + 70 = 168
Answer:
6
Step-by-step explanation:
2 halves make a whole so multiply 2 by 3. the answer is six. you can also add the halves. 1/2+1/2+1/2+1/2+1/2+1/2=3.