Answer:
x = 3
Step-by-step explanation:

Simplify, divide the numerator and denominator by the same number

÷ 40


Cross products

Answer:
22 rounds down to 20 if that is what you are asking
Step-by-step explanation:
You did not finish your question i dont think. 22 DOES round down to 20 though.
Answer:
The enlargement will be 30 ft by 7.5 ft.
Step-by-step explanation:
A scale drawing is a larger or smaller version of an object. To find the dimensions of the new drawing, multiply each measurement by the scale factor. The scale factor here is 5/2 or 2.5.
12(2.5)=30 ft
3(2.5)=7.5 ft
Answer:
It is four/4 I believe D.4
Step-by-step explanation:
Answer:
37 is prime number
Step-by-step explanation:
To prove whether a number is a prime number, first try dividing it by 2, and see if you get a whole number. If you do, it can't be a prime number. If you don't get a whole number, next try dividing it by prime numbers: 3, 5, 7, 11 (9 is divisible by 3) and so on, always dividing by a prime number