Pls include steps...
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What is the square root of 45? (step by step working plz)

Jenisey has $24 to spend on seven pencils. after buying them she had $10. how much did each pencil cost.?

Fatima plans to spend at least $15 and at most $20 dollars on sketch pads and pencils. if she buys 2 sketchpads, how many pemcils can she buy while staying in her price range? fatima can buy between and pencils. ? (type whole numbers. use ascending? order.)