Find the unit rate. Round to the nearest hundredth, if necessary.

$5.99 for 12 lb

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

15m is what percent of 60m; 3m; 30m; 1.5 km? the last one is km not m

Add. express your answer in simplest form. 12 9/10+2 2/3 = i need u guys to me find the answer to this question