If the cooking time is 4.33 hours and the food should be ready by 17: 15pm what time should we start cooking

Idont get this question can someone me solve it? ** the distance light travels in one second (1 light second) is about 1.86 ×10^5 mi. saturn is about 475 light-seconds from the sun. about how many miles from the sun is saturn..my guess is 8.83* 10^7 you so much

Solve the system of equations y= 3/2 - 1, -x+ y =-3

How many sides does a regular polygon have if each exterior angle measure is 45 degrees explain your answer, i really don't understand this.