Less than = subtraction = -
Product = multiplication
(42 + x) - 18
Answer:
As the number is a prime number. Therefore, option 'c' is true.
Step-by-step explanation:
Let us take the number 7 and divide it by 4

We know that
as

so the remainder is 3. ∵ 
As 7 is a prime number, and when we divide the prime number 7 by 4, we get the remainder 3.
Thus, the number is a prime number. Therefore, option 'c' is true.
Answer:
7.8
Step-by-step explanation:
Answer:
13. x = 4
14. x = -16
15. x = 11
Step-by-step explanation:
Answer:
Step-by-step explanation:
KT because triangles KIT and KET are congruent ( mirror images).