Answer:
Step-by-step explanation:
Answer:
1st, 3rd and 4th
Step-by-step explanation:
Only 2nd is false
You can use rounding to figure this problem out. If the number in the ones place is 0 to 4, round down to the nearest tens place; if the number in the ones place in 5 to 9, round up to the nearest tens place.
48 rounds to 50.
42 rounds to 40.
69 rounds to 70.
21 rounds to 20.
52 rounds to 50.
Now use mental math to estimate the cost (50 + 40 + 70 + 20 + 50). Heather will spend about $230.
Answer:
D) $230
Answer:
slope of (16,8) (8,4) is 1/2
The polynomial is not factorable with rational numbers
