Solve, using the substitution method. j + k = 3 j – k = 7

the solution is (8, 1).

the solution is (5, –2).

there is no solution.

there are an infinite number of solutions.

12. decide whether each statement is always true, sometimes true, or never true. a. when corresponding points of an original figure and its reflection are connected, the resulting segments are all perpendicular to the line of reflection. b. when a point is reflected over a horizontal line, the y-coordinate of the point stays the same. answer both questions and explain

Which statement describes surface features called maria on the moon

Atemperature of 1.64◦f corresponds to answer in units of ◦c.