Determine whether AB and MN are parallel, perpendicular, or neither, given A(-2,-7), B(4,2), M(-2,0), and N(2,6).

Abike shop sells you a bicycle for $63 and a helmet for $21. the total cost is 150% of what the shop spent originally. how much did the shop spend originally? how much profit did the bike shop earn by selling the bicycle and helmet to you ?

What is the average rate of change for this function for the interval from x=2 to x=4 ?

The trigonometric ratios sine and secant are reciprocals of each other