What is the equation of the line that is perpendicular to the line y=1/2x+7 and passes through the point (6,2)

Which expression calculates the speed in meters per second of an object that travels a distance of 100 m every 20 seconds

Is δ pmr similar to δ smn ? if so, which postulate or theorem proves these two triangles are similar?

For the rule of 78, for a 12-month period, the last term in the sequence is 12 and the series sums to 78. for an 10 month period, the last term is and the series sum is . for a 15 month period, the last term is and the series sum is . for a 20 month period, the last term is and the series sum is