Will mark as Brainlist

Does the equation represent a direct variation? If so, find the constant of variation.

4x - 5y = 0

a. yes; k = - 5 b. no c. yes; k = 4/5 d. yes; k = - 4

Bags of pasta are sold with a nominal weight of 500 g. In the distribution of weight of the bags is normal with a mean of 502 g and a standard deviation of 14 g. What is the probability that a bag contains less than 500 g?

1/10 (x+50) = -3x-13+4x

Y - x = - 13 - 4x + 3y = - 51

Solve for x. 4 x plus 1 equals 9 A. - 2 B. 2 C. 3 D. - 3

One number is four more than five times another. If their sum is increased by three, the result is thirty-one

Find the difference between - 14w - 3 and 5w. - 19w + 3 - 9w - 3 - 19w - 3 - 22w

There are 11 books on a shelf. 3 of these books are new? what is the ratio of used book and new book?

Lines m and pare parallel. If the slope of line mis 1 25 what is the slope of line p?

Graph y=3x^2-12x+13. What is the minimum value of the function?

Which of the following represents this function written in intercept form? y=x^2-8x+12 a. y = - (x+2) (x+6) b. y = (x-2) (x-6) c. y = (-x+3) (x-4) d.