What is the equation of the quadratic graph with a focus of (4, 0) and a directrix of y = 10? (1 point) f(x) = − one twentieth (x − 4)2 + 5 f(x) = − one twentieth (x + 4)2 + 5 f(x) = one twentieth (x − 4)2 + 5 f(x) = one twentieth (x + 4)2 + 5

Explain why the two figures below are not similar. use complete sentences and provide evidence to support your explanation. (10 points) figure abcdef is shown. a is at negative 4, negative 2. b is at negative 3, 0. c is at negative 4, 2. d is at negative 1, 2. e

10 ! a train starts from grand city and travels toward belleville 388 miles away. at the same time, a train starts from belleville and runs at the rate of 47 miles per hour toward grand city. they pass each other 4 hours later. find the rate of the train from grand city.

Let hh represent the number of hummingbirds and ss represent the number of sunbirds that must pollinate the colony so it can survive until next year. 6h+4s > 746h+4s> 74 this year, 88 hummingbirds pollinated the colony. what is the least number of sunbirds that must pollinate the colony to ensure that it will survive until next year?