What is the nominal power of a meniscus lens that has a +7.50D anterior curve and a -5.00D posterior curve?

A ray of light travelling from a low index material (faster) into a higher index (slower) material will have an angle of refraction that is bent ____________ the normal.

A convex surface

Which Abbe number of a lens would be more desirable?

William Wrongdoer sneaks up behind Polly Plaintiff and hits her on the head with a lead pipe.  Wrongdoer has committed the tort of:

Brian accidentally stepped on Vicky’s small toe in a crowded bus, causing horrible pain.  Under the circumstances, Vicky has…

The commerce clause of the U.S. Constitution provides that “Congress shall have power to regulate commerce with foreign nations and among the several states”  This federal power…

You deposit $25,000 in an account earning 3% interest compounded monthly. a) How much will you have in the account in 20 years? Round to the nearest cents.  b) How much interest will you earn?

Sarah has trained her cat to do tricks by giving it fish after the trick is performed. However, Sarah stops giving fish to the cat and eventually the cat stops doing tricks, a  phenomenon known as __________. A few days later out of the blue, the cat independently completes a trick,  a phenomenon known as ______________.

Zuben is training his ferret to do tricks. He gives the ferret a slice of fruit when he sees the need and on average every 3rd time the ferret jumps through a hula hoop. Which type of reinforcement schedule is Zuben using to reinforce his ferret?