What evidence for the transformation of energy does the running fan produce? select all that apply. light is produced. the fan warms up. sparks can be seen. the blades of the fan are spinning. an air flow is felt.

Select the correct answer. joshua likes to read. he read 6 books when he was 6 years old. every year he doubled the number of books he read the previous year. how many total books did he read between the ages of 6 and 10? a. 60 b. 90 c.186 d.187

Write the expression 7x^3-28xy^2 as the product of 3 factors

Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. x^2 - 4x - 5 = 0