2. which steps could be used to solve this story problem?

zeph was organizing his workshop. he cleaned out his toolbox. he had 457 steel nails, 200 brass nails, and 234 screws. he saw that 87 of the steel nails were broken and so he threw them away.

how many nails does zeph have now?

a.
divide 200 ÷ 87. then add 457 to that quotient.

b.
multiply 200 × 87. then add 457 to that product.

c.
subtract 87 from 457. then add the difference to 200.

d.
add 457 and 87. then subtract 200.

Mozart lenses inc. recently introduced seelites, a thinner lens for eyelasses. of a sample of 800 eyeglass wearers, 246 said they would purchases their next pair of eyeglasses with the new lenses. lenses inc. estimates that the number of people who purchase eyeglasses in a year is 1,700,000. most eyeglasses wearer buy one new pair of eyeglasses a year. what is the annual sales potential for the new lenses.

What is the y-intercept of the line given by the equation

Carla was trying to decide what to do saturday evening. she has $100 available to spend for the evening. she has narrowed her choices down to these events: braves game, a concert of an artist she likes, or the georgia aquarium. admission to the braves game is $25, hot dogs cost $10, sodas cost $5. the concert costs $25 for admission, $20 for a souvernir t-shirt, and $10 for a soda. the georgia aquarium has the show of a lifetime with an all you can eat and drink that costs $100. carla does not want to take any driving chances, so in addition to the cost of the aquarium, she will also need to pay for her uber/lyft, which is $15 each way. which option should carla choose if she wants to spend the least? based on that choice, what then is carla's oppotunity cost? fully explain your answer in at least one paragraph.