Acoffee table cost $120 more than a chair. ali bought 1 coffee table and 5 such chairs for $258.how much did each chair cost ?

Gregory draws a scale drawing of his room. the scale that he uses is 1 cm : 4 ft. on his drawing, the room is 3 centimeters long. which equation can be used to find the actual length of gregory's room?

Me! i really need to get this right before 9. prove the divisibility of 7^6+7^5-7^4 by 11. use factoring so you get a number times 11. just tell me the number. i need this done asap

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