On a lunch menu, a turkey sandwich with a cup of soup is $6.00 and a
half of a turkey sandwich with a cup of soup is $3.75. assuming the half
sandwich costs exactly half as much as the whole sandwich, how much
does the cup of soup cost?

(what is the system using the elimination method)

Find the vertex of the function given below y=x^2-6x+1

What could explain what happened when the time was equal to 120 minutes

Hillel is juggling flaming torches to raise money for charity. his initial appearance raises $500\$500 $500 , and he raises $15\$15 $15 for each minute of juggling performance. the amount rr r of money hillel raises is a function of tt t , the length of his performance in minutes. write the function's formula.