Which of these equations is balanced?

a. 4H2+Cl2-->2HCl

b. H2+Cl2-->2HCL

A. a

B. b

C. a and b

D. neither

The ratio of two numbers is $2:3$. when 6 is subtracted from the smaller of the two numbers and 7 is added to the larger of the two, the new ratio is $2:7$. what was the smaller of the two numbers before 6 was subtracted from it

Is any rational number an integer?

A student measures the volume of a liquid and finds it to be 40 mL. How many significant figures are in the measurement? A. 1 B. 2 C. 3 D. 4

Find the cost of a 19,500 car plus a 6% sales tax

6 more than twice a number is 72

What is the answer for 15 percent of $70

Convert 42 miles to kilometers

A grocery store is offering a promotion where a customer receives a $0.20 discount per item on selected sale items, and Paulo has a coupon where he receives $0.10 off regularly priced items.

What is the equation of the circle with radius, r = 11, and the center at (0, - 7) A. x ^ 2 + (y + 7) ^ 2 = 121 B. (x + 7) ^ 2 + y ^ 2 = 121 C. (x - 7) ^ 2 + y ^ 2 = 11 D. x ^ 2 + (y - 7) ^ 2 = 11

Is intermediate algebra the same as algebra 2?