On the number line, a point is moved from -7 to -3. Which of the following phrases describes the move? aThe point moved four places to the right.

bThe point moved ten places to the left.

cThe point moved four places to the left.

dThe point moved ten places to the right.

The fraction 7/9 is equivalent to a percent that is greater than 100%. truefalse

Solve each quadratic equation by factoring and using the zero product property. x^2 - 8x + 30 = 3x

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.