Ezequiel's Biology marks are 8.3, 6.8 and 9.4 out of 10. His final grade in Biology is the mean of these three marks. b Calculate the final grade that Ezequiel found.

If you have a set of parallel lines a and b cut by transversal x, if angle 1 = 167 degrees, what is angle 4 and why. also what is the measure of angle 5 and why? you need to use the names of the angle relationship and explain.

What is the scale factor of two similar pyramids with volumes of 64 cubic feet and 8 cubic feet

What is the value of x in this triangle? a. 53° b. 62° c. 65° d. 118°