On a snorkeling trip, antonia dove at least 7 times as deep as lucy did. if antonia dove 35 feet below the oceans surface, what was the deepest lucy dove?
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The length of a rectangular piece of land is 92 yards more than three times its width. the perimeter is 760 yards. find its dimensions.

Aparticular telephone number is used to receive both voice calls and fax messages. suppose that 25% of the incoming calls involve fax messages, and consider a sample of 25 incoming calls. (a) what is the expected number of calls among the 25 that involve a fax message?

Ron has 8 caps and 4 of his caps are blue. thes rest of his cap are red. how many of ron's caps are red