7k + 5 – 2 = 7k + 3 0

Anyone sorry for so many i just need help

If you flip a coin 3 times, what is the probability of flipping heads 3 times? a. p(3 heads) = 3/8 b. p(3 heads) = 1/6 c. p(3 heads) = 1/8 d. p(3 heads) = 1/2

The difference of two numbers is 40. find the numbers if 0.3 parts of one number is equal to 37.5% of the other one.

What number gives you a irrational number when added to 2/5