A car manufacturer produces three models of trucks, and the average gas mileage of the three models must be at least 21 mpg. Create an inequality to determine what the third model must getif the first two models get 17 mpg and 19 mpg. Solve the inequality by showing and explaining each of your steps. Explain your answer.

Which is the equation of an ellipse with directrices at x = ±4 and foci at (2, 0) and (−2, 0)?

Find the slope of the line below . enter your answer as a fraction or decimal. use a slash mark ( / ) as the fraction bar if necessary

Given: hf || jk; hg ? jg prove: fhg ? kjg to prove that the triangles are congruent by asa, which statement and reason could be used as part of the proof? fgh ? kgj because vertical angles are congruent. jkg ? hfg because vertical angles are congruent. fhg ? jkg because right angles are congruent. hfg ? kjg because alternate interior angles are congruent.