NEED HELP FAST! ALSO 50 POINTS AND BRAINLIEST!!

What is the value of 5 2/3 (−3.6)?

Amerchant has coffee worth $60 a pound that she wishes to mix with 50 pounds of coffee worth $90 a pound to get a mixture that she will sell for $70 a pound. how many pounds of the & 60 coffee should be used?

Find the perimeter of the figure shown above. a. 18 yds c. 20 yds b. 10 yds d. 24 yds select the best answer from the choices provided

In the triangles, bc =de and ac fe.if the mzc is greater than the mze, then ab isdfelth