What is the greatest common factor of 12 and 30?

2

3

6

12

If a (x) = 3x + 1 and b (x) = square root of x-4, what is the domain of (b*a) (x) ? A. (-infinity,+infinity) B. (0, + infinity) C. (1, + infinity) D. (4, + infinity)

You mailed 3 identical letters weighing more than 1 ounce each. Mailing each letter cost $.37 for the first ounce, plus $.23 for each additional ounce. Each letter required $1.29 postage. How much did each letter weigh, to the nearest ounce?

If I have a 93% in a class, how much would it drop if I got a 66% on an assignment?

What is 3/4 x = 6 what is the value of x

What is - 51=5-25n-9n-12

3x + 9 = - 9 whats the value of x?

For a standard normal distribution, which of the following expressions must always be equal to 1? A) P (z≤-a) - P (-a≤z≤a) + P (z≥a) B) P (z≤-a) - P (-a≤z≤a) + P (z≥a) C) P (z≤-a) + P (-a≤z≤a) - P (z≥a) D) P (z≤-a) + P (-a≤z≤a) + P (Z≥a)

60/5 (7-5) = 2 I got 24, but some other people got 6. 60/5 (7-5) - P 60/5 (2) - M/D (left to right) 12 (2) - M/D (left to right) =24

If two circles have the same circumference what do you know about their area

4x - 2y = 0 x + y = 6