Write the equation of the line in point-slope form that passes through the point (4,-5) with a slope of -1/2

Evaluate the expression for the given value of the variable 2×(c2-5) for c=4

How do businesses a country's economy? a. by investing in goods and services b. by increasing the unemployment rate c. by making profits

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