Lucida is a cross country ski racer. on saturday, she skied twice as many miles as she did one saturday. over the weekend she skied a total of 63 miles. how far did she ski in n each day?

At dinner, 2/5 of the people had fish and 1/3 had chicken. if everyone else had lamb, what fraction of the people had lamb? and if 40 people had lamb , calculate the total number of people at the dinner.

The manufacturer of a new product developed the following expression to predict the monthly profit, in thousands of dollars, from sales of the productwhen it is sold at a unit price of x dollars.-0.5x^2 + 22x - 224what is represented by the zero(s) of the expression? a. the profit when the unit price is equal to 0b. the unit price(s) when the profit is equal to 0c. the profit when the unit price is greatestd. the unit price(s) when profit is greatest

Given sin28.4=.4756, cos28.4=.8796, and tan28.4=.5407 find the cot of 61.6