5x + y = 8, kx + y = -1. What value of k does the system have no solutions?

Josephine has a great garden with and area of 2x2 + x - 6 square feet

How to choose the sign of the radical in the denominator of the formula for the distance from a point to a line.

Jessica and martha each have a bag of cookies with unequal quantities. they have 30 cookies total between the two of them. each of them ate 6 cookies from their bag. the product of the number of cookies left in each bag is not more than 80. how many more cookies will jessica have martha? if x represents the number of cookies jessica started with, complete the statements below. the inequality that describes the relationship between the number of cookies each one of them has is x^2 - x +224 > = 0.jessica has at least cookies more than martha.