Which of the following situations can be modeled by the expression -4 + (-7)? elsa lost four points on the last math quiz, and marc lost seven points. how many more points did marc lose than elsa? elsa lost seven points on the last math quiz, and marc lost four points. how many total points did they lose? elsa lost four points on the last math quiz, and marc lost seven points. how many total points did they lose? none of the above.

1. are the triangles similar and if so why? what is the value of x? show your work.

How many different triangles can be constructed with the angle measurements of 134° 10° and 36° ?

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