Will name brainlest and give 20 points Coach DeCaro records the cross country runners’ times compared to their personal best times.

3K Times

Runner

Time compared to personal best

Gregor

+5.6

Hiroki

–11.6

Isabelle

+3.2

Juan

0

Karen

–5.2

Which runners ran slower than their personal best?

Juan

Gregor and Isabelle

Gregor, Isabelle, and Juan

Hiroki and Karen

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

If sr is 4.5cm and tr is 3cm, what is the measure in degrees of angle s?

Twenty points. suppose that one doll house uses the 1 inch scale, meaning that 1 inch on the doll house corresponds to 1/2 foot for life-sized objects. if the doll house is 108 inches wide, what is the width of the full-sized house that it's modeled after? in inches and feet