Someone, me will give 10 points sharon called 3 friends on friday. on saturday, each of those 3 friends called 3 different friends. on sunday, each person who was called on saturday called 3 different people. how many friends were called on sunday? enter your answer in the box

What is the equation of the line that passes through (-3,-1) and has a slope of 2/5? put your answer in slope-intercept form

Consider the function f left parenthesis x right parenthesis equals 4 x squared minus 3 x minus 1f(x)=4x2−3x−1 and complete parts (a) through (c). (a) find f left parenthesis a plus h right parenthesis f(a+h); (b) find startfraction f left parenthesis a plus h right parenthesis minus f left parenthesis a right parenthesis over h endfraction f(a+h)−f(a) h; (c) find the instantaneous rate of change of f when aequals=77.

Aboy who is 1.8 meters tall stands 1 meter away from a lamppost and casts a shadow 2 meters long. the height of the lamppost meters.