Astreet light is at the top of a 10 ft tall pole. a woman 6 ft tall walks away from the pole with a speed of 7 ft/sec along a straight path. how fast is the tip of her shadow moving along the ground when she is 50 ft from the base of the pole?

What is the slope of the line shown below?

Which of the following parabolas opens down?

Aaron invested a total of $4,100, some in an account earning 8% simple interest, and the rest in an account earning 5% simple interest. how much did he invest in each account if after one year he earned $211 in interest? select one: a. $200 at 8%, $3,900 at 5% b. $3,200 at 8%, $900 at 5% c. $900 at 8%, $3,200 at 5% d. $3,900 at 8%, $200 at 5%