How many different codes of 4 digits are possible if the first digit must be 3,4, or 5 and if the code may not end in 0?

Write a function rule for the table. hours worked pay 2 $16.00 4 $32.00 6 $48.00 8 $64.00 p = 16h p = 8.00h p = h + 16 h = 8.00p

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.

On the first of each month sasha runs a 5k race she keeps track of her times to track her progress her time in minutes is recorded in the table