It is in simplest form. Decimal form is 14.4
Answer:
48 minutes
Step-by-step explanation:



It will take 48 more minutes to finish raking the backyard.
Move a2 to the left side of the equation so you have c2-a2. then divide by 2 to get b by itself. you are left with c2-a2 all over 2. the 2s will cancel and you'll be left with c-a=b
The presence of an imaginary root (such as 4i) requires the presence of the complement of that root (which is -4i). Thus, there are 3 roots total here.