The temperature at 7:00 am was -5°F. By 4:00 pm, the temperature had risen 9 degrees and by 10:00 pm the temperature dropped 11 degrees. What was the temperature at 10:00 pm?

A 4°F
B -16°F
C -7°F
D 25°F

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

Gregory draws a scale drawing of his room. the scale that he uses is 1 cm : 4 ft. on his drawing, the room is 3 centimeters long. which equation can be used to find the actual length of gregory's room?

Nine more than four times a number is the same as one less than twice the number. find the number?