Kathy has 2 square cards shown below (card 1) 30 units (card 2)10 units

how many time the perimeter of card 2 is the perimeter of card 1

1-80
2-9
3-20
4-3
plz

2-digit numbers less than 91 which are 1 less than a multiple of 10

() at a farm, animals are fed bales of hay and buckets of gain.each bale of hay is in the shape of a rectangular prism.the base side lengths 2 feet and 3 feet,and the height is 5 feet. each bucket of grain is a cylinder with diameter of 3 feet. the height of the bucket is 5 feet as the height of bale. a. which is larger in area, the rectangular base of the bale or the circular base of the bucket? explain how you know b. which is larger in volume, the bale or the bucket? explain how you know

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?