Explain why (cos((theta))? + (sin((theta))2 = 1

The value of the expression 16-^3/4 8 1/8 -6 6 1/40 1/64

It takes an ant farm 3 days to consume 1/2 of an apple. at that rate, in how many days will the ant farm consume 3 apples

6. sarah saved $12.75 every week for a number of weeks, w. she received an additional $25 during the last week in which she saved money. write and solve an equation to find the number of weeks, w, for which sarah had saved money if she has $114.25 now.