What two-dimensional shape is formed by a cross section of the cone shown from the vertex perpendicular to the base of the cone? a. parabola b. scalene triangle c. ellipse d. isosceles triangle

The ivring berlin learning center would like a possible net profit of $650,000 on its new resource manual it sells to schools. the fixed costs for producing the manual are $780,000 and the variable cost per package is $19.85. if the estimated unit sales are 1,250,000 units, what selling price unit should the ivring berlin learning center try?

In a certain city, the hourly wage of workers on temporary employment contracts is normally distributed. the mean is $15 and the standard deviation is $3. what percentage of temporary workers earn less than $12 per hour? a. 6% b. 16% c. 26% d. 36%

What are the solutions of the following system? y=-2x^2 y=x-2