Answer:
2.6 or
Step-by-step explanation:
9d×10=240
÷10 ÷10
9d =24
÷9 ÷9
2.6 or 
Answer:
31.42ft
Step-by-step explanation:
diameter = 10
radius = diameter ÷ 2
r = 10 ÷ 2
r= 5
Circumference = 2(pie)(r)
= 2(22÷7)(5)
= 31.42ft
Answer:
(X - 3)*2
(X + 7)*5
(10 * X) + 20
Step-by-step explanation:
I used X as a replacement for "A number"
Hope this helped a bit
Answer:
i think the original price is 60
Step-by-step explanation:
25% of 60 is $45.
each question has two possible outcomes. 12x2= 24