Mason cuts a giant circular cookie into 5 equal pieces. Which statements are true about the angle measures of the pieces. Pls answer!

Add the two expressions 3.8b - 7 and 2.9b + 9 enter your answer in simplified form

Arecipe calls for 32 fluid ounces of heavy cream.how many 1 pint containers of heavy cream are needed to make the recipe?

What would be the reasons for lines 3 and 4? a. addition property; subtraction property b. addition property; solve c. substitution property; subtraction property d. substitution property; prove