I need help with this im new to this i wasn’t at school theses days and my teacher won’t explain 2 me if u could help it would mean the world <3.

A) - Lauren is 10

B) - Mark baked 6 muffins

C) - Jerry made $24

Step-by-step explanation:

A) - if Lauren's brother is 5 and 5 · 2 or doubled its = to 10

B) - if Mark baked half of what Sydney baked and Sydney baked 12 then half a dozen or 12÷2 = 6 being 12 - 6 = 6 · 2 = 12 .. ex

C) - if Amy made $20 and 20 + 4 = 24 then jerry made $24 aka 24 - 4 = 20 +-4 =

m∠a is 90°

m∠b is 40°