I believe that it would be 13, unless you were trying to make the 9 negative. Hope that helps.
Step-by-step explanation:
1) 15/60 = 3/12 = 1/4
2) 8/36 = 4/23
Firstly, for it to be a trinomial the expression would have to be x^2+5x+6 to factor this we would simply have to find 2 numbers that add up to 5 and multiply to 6. 3+2=5 and 3•2=6 so (x+3)(x+2) would be the answer
Answer:
Step-by-step explanation:
error in measurement = 480 - 469 = 11 inches
Percent error = error *100/actual length
= 11 * 100 /480 = 2.9%