A bicyclist rides 1/5 mile in 1/65 hour. Write this rate as a unit rate this is 13mph or sometin but i need it Simplifed

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.

Percent increase and decrease. original number: 45 new number: 18

Mrs.sling bought a pound of green beans for $1.80. how much will mrs.tennison pay for 3 1/2 pounds of green beans?