A circular running track is \frac{1}{4} 4 1 ​ mile long. Elena runs on this track, completing each lap in \frac{1}{20} 20 1 ​ of an hour. What is Elena’s running speed? ( Just put the number )

What were mkh company's cash flows from (for) operating activities in 20x1? $(180,300) $233,100 $268,200 $279,400?

What is the expression in factored form? 225x^2 - 144 a. 9(5x+4)^2 b. 9(5x-4)^2 c. 9(4x+5)(4x-5) d. 9(5x+4)(5x-4)

The length of a shadow of the building is 36m. the length of the pole, which is perpendicular to the ground, is 1.9m. the length of the pole's shadow is 1.52m. what is the height of the building?