Solve by using the perfect squares method. x2 + 4x + 4 = 0
a. 2
b. –2
c. 4
d. –4

The graph below represents the number of dolphins in a dolphin sanctuary. select all the key features of this function.

Describe a situation that you could represent with the inequality x< 17

Suppose you are choosing a 6-digit personal access code. this code is made up of 4 digits chosen from 1 to 9, followed by 2 letters chosen from a to z. any of these digits or letters can be repeated. find the total number of personal access codes that can be formed. 492,804 341,172 39,917,124 4,435,236