The average age of a university student was found to be 24 with a standard deviation of 2. What age group is within 2 standard deviations of the mean?

Maria donates a fixed amount, a, to a charity each month. if she donates $300 in 12 months, what is the equation for a? a. a + 300 = 12 b. a × 300 = 12 c. a × 12 = 300 d. a + 12 = 300 e. a + 32 = 100

The lines shown below are parallel. if the green line has a slope of -1, what is the slope of the red line?

Ok a point t on a segment with endpoints d(1, 4) and f(7, 1) partitions the segment in a 2: 1 ratio. find t. you must show all work to receive credit.