Answer:
4
Step-by-step explanation:
Answer:
78 inches
Step-by-step explanation:
perimeter of a kite formula: 2(a+b)
a= 18 inches
b= 21 inches
2(18+21)
2(39)
78 inches
3.946
.0 is tenths
.00 is hundredths
.000 is tousandsths
20. Using absolute value, make (-10) turn into 10 and do 10 + 10 = 20