40 because the three in the units place is smaller than 5 so you round down.
Answer:
1st one: -3,-4 away
2nd one: Lets just say I got kinda confused on that one so sorry for any inconvenience on my behalf from this question.
Step-by-step explanation:
I will call (-3,-4) Point A and I'll call (0,0) Point B. Point A is at (-3,-4) and Point B is obviously at the origin. That makes it easy, because you just subtract Point A by Point B to find how far away they are.
Answer:
84.5
Step-by-step explanation:
65.50 she will need 84.5 which is 84 dollard and 50 ct
450 * 0.3 = 135 = money taken off the original price
Sale price = $315