7. A. -18 cm, because it changes -3 cm/per year, so multiply 6 years by -3 cm to get -18 cm
8. D. $20, because it rose +$2 over 10 days, you multiply 10 days by $2 to get $20 total
Answer:
$425
Step-by-step explanation:
500 × 0.15 = 75
500 - 75 = 425
Answer:
If 5 - +5* +5 + = 775, then the value of x, where x is a positive integer, is
a) 1
