Which expression has a value of 5? (30+3)⋅5÷15−7open paren 30 plus 3 close paren times 5 divided by 15 minus 7,

30+3⋅5−(15+20)30 plus 3 times 5 minus open paren 15 plus 20 close paren,

30+(3⋅5−5)÷830 plus open paren 3 times 5 minus 5 close paren divided by 8,

30+3⋅5−(75÷5−10)

What is the best reason for jacinta to have a savings account in addition to a checking account

1. an economy consists of three workers: larry, moe, and curly. each works 10 hours a day and can produce two services: mowing lawns and washing cars. in an hour, larry can either mow one lawn or wash one car; moe can either mow one lawn or wash two cars; and curly can either mow two lawns or wash one car. a. calculate how much of each service is produced under the following circumstances: a. all three spend all their time mowing lawns. b. all three spend all their time washing cars. c. all three spend half their time on each activity d. larry spends half of his time on each activity, while moe only washes cars and curly only mows lawns b. using your answers to part a, draw a production possibilities frontier and label points a, b, c, and d on your graph. explain why the production possibilities frontier has the shape it does. c. are any of the allocations calculated in part a inefficient? explain.

The coordinate grid shows a pentagon. the pentagon is translated 3 units to the right and 5 units up to create a new pentagon. what is the rule for the location of the new pentagon?