Write 77^1/10 in the form
n√77 where n is a whole number.

Write the fraction 9/50 as a decimal if needed round to the nearest hundredth

Find the midpoint m of z1=(8+5i) and z2=(12+3i)

Which of the expressions (on the photo document i inserted) together represent all solutions to the following equation? 8cos(12x)+4=-4 *the answer should be in degrees.* > i would like for someone to explain the process to find the solutions for this.