Divide 4.2 by 30 and you get $0.14 per pen
Answer
the diameter is 44
Step-by-step explanation:
the radius is just half of the diameter so to get the diameter from the radius just multiply it by two.
Answer:
2(2x+4) 4(x+2) 2(2x)+2(4)
Step-by-step explanation:
Answer:
10 mins
Step-by-step explanation:
Proportion:
21/6=35/x
x=(35*6)/21
x=10
Hope this helps plz hit the crown :D
Answer:
15
Step-by-step explanation:
Substitute x = - 5 into f(x), that is
f(- 5) = 5(- 5) + 40 = - 25 + 40 = 15