Which position regarding the use of intelligence scores is supported by your text author? select one: a. knowing students' general intelligence scores can be to teachers in planning lessons. b. teachers should be more concerned with students' actual performance than with their general intelligence. c. intelligence scores are basically invalid and should not be used for educational decision making. d. intelligence should be measured and reported as a linguistic score and a mathematical score?

Acompany manufactures x units of product a and y units of product b, on two machines, i and ii. it has been determined that the company will realize a profit of $3 on each unit of product a and $4 on each unit of product b. to manufacture a unit of product a requires 7 min on machine i and 5 min on machine ii. to manufacture a unit of product b requires 8 min on mchine i and 5 min on machine ii. there are 175 min available on machine i and 125 min available on machine ii in each work shift. how many units of a product should be produced in each shift to maximize the company's profit p?