The width and length of the bulletin board are whole numbers what is the width of the bulletin board if the length is 4 feet

Multiplying an even number of negative numbers gives an answer that is choose from:

Prove that the value of the expression 7^8–7^7+7^6 is divisible by 43.

Jake bakes and sell apple pies. he sells each pie for $5.75 . the materials to make the pies cost $40. the boxes jake puts the pies in cost & 12.50 total. how many pies does jake need to sell to earn a profit of $50