A 20 foot ladder leans against a wall forming a 70 degree angle between it and the ground. How far up on the wall does the ladder reach? A) 6.8feet
B)7.3feet
C)18.8feet
D)21.3feet

Mr. jones determined that the equation y = 98 - 16/5 x could be used to predict his students' unit test scores, based on the number of days, x, a student was absent during the unit. what was the meaning of the y-intercept of the function? (by the way the 16/5 is a )