1. what is the solution of n² – 49 = 0? (1 point)
–7
7
±7
no solution

2. what is the solution of x² + 64 = 0? (1 point)
–5
8
±8
no solution

3. what is the side length of a square with an area of 144x²? (1 point)
12
12x
±12x
no solution

5. what is the value of z so that –9 and 9 are both solutions of x² + z = 103? (1 point)
–22
3
22
184

41/17 as a decimal rounded to the nearest hundredth

Teams of 4 are competing in a 1/4 mile relay race. each runner must run the same exact distance. what is the distance each teammate runs?

Ascientist has discovered an organism that produces five offspring exactly one hour after its own birth, and then goes on to live for one week without producing any additional offspring. each replicated organism also replicates at the same rate. at hour one, there is one organism. at hour two, there are five more organisms. how many total organisms are there at hour seven? 2,801 19,531 19,607 97.655