The equation represents an ellipse.
Which points are the foci of the ellipse?
(−16, −6) and (14, −6)
(−10, −6) and (8, −6)
(−1, −18) and (−1, 6)
(−1, −15) and (−1, 3)

Arley is building a model of a city map. in one part of the city, three roads form a right triangle, which harley draws as triangle abc, with the following measures: m∠b=90° and m∠a=30°. in his scale model, the hypotenuse of triangle abc, ac¯¯¯¯¯¯¯¯, has a length of 817−−√ cm. what is the value of a (the length of bc¯¯¯¯¯¯¯¯)?

Pepe and leo deposits money into their savings account at the end of the month the table shows the account balances. if there pattern of savings continue and neither earns interest nor withdraw any of the money , how will the balance compare after a very long time ?

Which value of m will create a system of parallel lines with no solution? y = mx - 6 8x - 4y = 12