Answer:
2πr
Step-by-step explanation:
A. 199
b. -71
c. -2.25
d. 30
e. -18
f. -4
g. 4
h. 7
i. 0
Depends on how many cars your talking about.Be more descriptive.
Step-by-step explanation:
√a = 1√a so we can solve them easily:
b) 3√7 -√7= 3√7 - 1√7 =( 3-1)√7= 2√7
d) 5√6 - 2√6+√6= (5-2+1)√6 = 4√6
g) √2+2√2= 3√2
j) √5+5√5 - 3√5 = 3√5
k) 2√3 + √3 - 5√3= -2√3
I) 5√11 + 7√11 - √11 = 11√11
