Prove that : cos^6+sin^6=5/8+3/8cos4x
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Kenzie lives 30 kilometers from her cousin houde she drives 23 kilometers before stopping for gas how many meters does she need to travel

Sally deposited money into a savings account paying 4% simple interest per year.the first year,she earned $75 in interest.how much interest will she earn during the following year?

The volume of a box varies directly with its length if a box in the group has a length of 30inches and k=24 what is its volume