Answer:
2 : 15 x 2 = 4 : 30
Step-by-step explanation:
You get the ratio 4:30 by multiplying both numbers of the original ratio by 2.
2x2= 4
2x15=30
So in conclusion, the answer to the problem is 4 : 30.
For number 7 since the rational number is countable, and the set of real numbers is uncountable, almost all real numbers are irrational. So you should choose false
8 yes! All whole numbers are integers. For an example 0 is a whole number, 0 Is ALSO a integer. So you should choose truth
There are 20 students in the class.
-5a^2 - 7a = -a x (5a + 7)
let me know if you have any other questions
:)
