Write the following expressions as a C statement using functions from the math library. Refer to you textbook and the powerpoint presentation for today's class for help. 1. e-lo 2. In(y) 4. cos(30 5, (sin(x2 + y*)) Evaluate the following C expressions: 6. ceil(16.2) 7. floor(-7.5) + pow(3.0, 2.0) 8. sqrt(ceil(fabs(-7.4))