If the product of -3 and the opposite of a number is decreased by 7, the result is 1 greater than the number. What is the number?

Is it true that product of 3 consecutive natural numbers is always divisible by 6? justifyyour answer

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.

Julie goes to the sports store and spends $40.50 before tax. she buys a pair of shorts for $21.75 and 3 pairs of socks that each cost the same amount. how much does each pair of socks cost? $$