A magician charges a $30 fee to cover travel and expenses, plus $19.99 per hour. What's the relationship between h, the numbers of hours, and t, the total charge for the magician.

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.

What is the solution to the equation 9^(x+1) =27

Campus rentals rents 2 and 3 bedrooms apartments for $700 ans $900 a month respectively. last month they had six vacant apartments and reported $4600 in lost rent. how many of each type of apartment were vacant?