Which of these equations is balanced?

a. 4H2+Cl2-->2HCl

b. H2+Cl2-->2HCL

A. a

B. b

C. a and b

D. neither

How to solve C=7/4 (k-59)

What is 3z square rooted by 2 - 2xy x=3 y=7 z=2

Write as a decimal 230%

How many significant digits are in the number 340? a. 1 b. 2 c. 3 d. 0

Michael Johnson ran the men's 200-meter race in nineteen and thirty-two hundredths seconds. Which number shows the time?

How do I make an algebraic formula for a number that's increasing by 74%? Starting number: 93.13, I need a formula to go up by 74% 100 times.

The next number in the sequence - 5,-2,4,13 is 25. Is this conjecture ruse or false? A. False B. Not enough info provided. C. True

Consider the system of linear equations. 5 x + 10 y = 15. 10 x + 3 y = 13 To use the linear combination method and addition to eliminate the x-terms, by which number should the first equation be multiplied? - 2 Negative one-half One-half 2

Assume that a student's alarm clock has a 11.2 % daily failure rate. What is the probability that the student's alarm clock will not work on the morning of an important final exam?

Whats the area of a 7in by 5in triangle