Sarah meeham blends coffee for tasti-delight. she needs to prepare 160 pounds of blended coffee beans selling for $4.23 per pound. she plans to do this by blending together a high-quality bean costing $5.25 per pound and a cheaper bean at $2.00 per pound. to the nearest pound, find how much high-quality coffee bean and how much cheaper coffee bean she should blend.

Phillip had some bricks. he stacked them in 6 equal piles. which expression shows the number of bricks phillip put in each pile? let the variable m stand for the unknown number of bricks. m + 6 m÷6    m−6    6m

Write the expression in simplified radical form. show all steps and work including any foil method work. (hint: use the conjugate. no decimal answers.) (9-2√3)/(12+√3)

An optical inspection system is used to distinguish among different part types. the probability of a correct classification of any part is 0.92. suppose that three parts are inspected and that the classifications are independent. let the random variable x denote the number of parts that are correctly classified. determine the probability mass function of x. round your answers to four decimal places (e.g. 98.7654). x f(x) 0 1 2 3