Write the number 2 millions, 6 hundred thousands, 3 thousand, 1 hundred, 2 in standard form and expanded form

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.

What is the area of the trapezoid shown ?

Find the cosine function that is represented in the graph.