Let n > 1 be a positive integer and let aj, a2, an be real numbers. a) prove that žal s lakl. k=1

The classrooms are trying to raise $1,200.00 for charity. mrs. leblanc's class has raised 50%. mr. patel's class has raised $235.14 ms. warner's class has raised 1/3 as much as mrs. leblanc's class. how much more money is needed to reach the goal of $1,200.00?

Jake bakes and sell apple pies. he sells each pie for $5.75 . the materials to make the pies cost $40. the boxes jake puts the pies in cost & 12.50 total. how many pies does jake need to sell to earn a profit of $50

The function f(x)= x5+ ( x + 3)2 is used to create a table. if x = -1 then what is f(x)?