Crustaceans are one class of arthropods. they have an exoskeleton to protect their body and two pairs of antennae to sense the environment around them. how many pairs of legs do crustaceans have? a. one pair b. two pairs c. three pairs d. five pairs

Stephanie belongs to a ppo that has a $1,000 deductible. the deductible applies only if stephanie meets with doctors outside her network. there is no co-payment. stephanie incurred a bill of $2,000 when she met with an out-of-network specialist for a thyroid problem. she owes $1,400 out of pocket for the bill. if the ppo pays $600 after stephanie has paid her deductible, what is the co-insurance clause of the ppo that stephanie belongs to? a. 50/50 b. 60/40 c. 70/30 d. 80/20