Find the exact value of expression Sin(100)cos(40)-cos(100)sin(40)

Find the perimeter of the figure shown above. a. 50 cm c. 30 cm b. 64 cm d. 60 cm select the best answer from the choices provided a b c d

Will used 20 colored tiles to make a design in art class. 5/20 of his tiles were red. what is an equivalent fraction for the red tiles?

On a piece of paper graph f(x)=5•(0.4)^x