Is 35 feet for every seven seconds equivalent to 7 feet for every second

Asquare parking lot has 6,400 square meters what is the length in meters

The jewelry store is having a sale. necklaces that were regularly priced at $23.50 are on sale for $18.80. what is the percentage of decrease in the price of necklaces?

20 solve 2(4 x + 3) < 5 x + 21. a) { x | x < 9} b) { x | x > -5} c) { x | x > -9} d) { x | x < 5}