Question

1) The scale factor of the blueprint of a gymnasium to the actual gymnasium is 1in/15ft . The area of the floor on the blueprint is 114 in2.

What is the area of the actual gymnasium?
(Points : 4)
384,750 ft2
25,650 ft2
5130 ft2
1710 ft2

2) the function f(x) varies directly with x and f(x) =160 when x=40 What is f(x) when x=8

What is f(x) when x=8

-32
-20
-5
-2

3) the function f(x) varies directly with x and f(x) =4 when x=12

What is f(x) when x=3

-1
-9
-16
-19

4) What is the common difference in the sequence 50, 40, 30, 20, 10,

- 10
- -10
- 1/2
-2

5)

Answer 1

Ok, I'm here to try to help you! Let me look at the first one. One at a time, ok?

Answer 2

Yep thanks for the calvary haha!

Answer 3

Ok, I set up the first one as a similarity ratio and solved it that way. Look