Answer:
(a+c)+7
Step-by-step explanation:
this is called the Associative Property
(x+y)+z=x+(y+z)
Answer:
25
Step-by-step explanation:
Sqrt 25 = 5
5^2 = 25
Answer:
the radius will be 9 or b
Step-by-step explanation:
18 is the diameter so you divide by 2 to get the radius which will be 9.
<span>A dragonfly beats its wings about 30 times a second. This is necessary to allow the insect to keep itself airborne, due to the relative weight of its body. Luckily, dragonflies have two sets of wings, or they would have to work even harder to stay up in the air.</span>