Answer:
28cm
Step-by-step explanation:
A=a+b
2h=4+10
2·4= 28cm
Answer is
0-4-9
start from zero then count
2x^2+3. the 2x cancel out and the rest is combining like terms
Answer:
20 are cows 10 chickens 20 times 4 is 80 10 times 2 equals 20 80+20=100
Step-by-step explanation:
Answer:
Negative numbers are used in navigation and directions determination