Answer:
Step-by-step explanation:
If you enter all of these points in L1 and L2 in edit under your stat button on your calculator and then choose QuadReg from "calc" under the same stat button, you'll get a quadratic model:
Not sure which of your choices this matches, but there you go!
Answer: $140
Step-by-step explanation:
1/4 × 560 to buy a coat
= 0 25 x 560 = $140
Remaining balance after purchase of coat will be $560 - $140 = $420
Next, he uses 2/3 of $420 for present
2/3 × 420
0.667 x 420
= $280 for present
Alice's balance will be remaining balance after purchase of coat - money for present
= $420 - $280
=$140
I hope this is clear, please mark as brainliest answer. Thank you.
