Use scientific notation to express the diameter of a human hair that measures 0.0018 centimeters. a) 1.8 x 10-3 b) 1.8 x 10-4 c) 1.8 x 103 d) 1.8 x 104

Complete the table for different values of x in the polynomial expression -7x2 + 32x + 240. then, determine the optimal price that the taco truck should sell its tacos for. assume whole dollar amounts for the tacos.

A. 90 degrees b. 45 degrees c. 30 degrees d. 120 degrees

What is the range of the function? f(x)=-2|x+1|? a. all real numbers. b. all real numbers less than or equal to 0. c. all real numbers less than or equal to 1. d. all real numbers greater than or equal to 1