Answer:
80
Step-by-step explanation
Well every triangle has to equal 180 degrees.
So you would add the two degrees you already have, which on this one you would get 100.
Then, you would subtract that number from 180 to get 80.
Hope this helps you!!
You could do the adition and subtraction first then multiplication and division
Hope this helps
9 hearts on card 3 and 6 squares on card 3
A.36 inches B.150 inches
Step-by-step explanation:
multaply 9×4 for A and 10×15 forB