It is D because 17+18 is 35 so too low and 19+20 is 39 which works, but 18+19 is 37 which also works but is the lowest numbers you can use which means they are answer
415 - 338 = 77
There are 77 more 3rd graders than 2nd graders
Answer:
The 1st problem it is the last graph.
The 2nd problem it should be the first graph.
Answer:
it depends if x is alr negaitve...
two positives equal a positive
two negatives equal a poitive
one negative and one positive equals a negative
Step-by-step explanation:
hope it helped