The difference of two numbers, a and b, is 21. the difference of 5 times a and two times b is 18. what are the values of a and b? a: 4, 1 b: -19, 40 c: 20, 1 d: 30, 9 e: -8, -29

The slope of a line is –2 and its y-intercept is (0, 3). what is the equation of the line that is parallel to the first line and passes through (2, 2)? a. 2x + y = 6 b. y = –2x + 3 c.y=1/2x +6 d.y=-2x-6

Which sentence describes why polygon mnop is congruent to polygon jklp? a. polygon jklp maps to polygon mnop through a translation. b. polygon jklp maps to polygon mnop through a rotation. c. polygon jklp maps to polygon mnop through a dilation. d. polygon jklp maps to polygon mnop through a stretch.

Which inequality has a dashed boundary line when graphed ?