Tasha finds the length of the sides of the quadrilateral before finding the perimeter. Which statement is true about
the length of the sides of quadrilateral ABCD?
Side DA has a length of 3 units.
Side AB has a length of 5 units.
Side BC has a length of 2/5 units.
Side CD has a length of 2/10 units.

Imogene invested $8,000 in a bank account that pays 8 percent simple interest at the end of each year. her friend invested the same amount in stocks where the growth of the investment is represented as 2,000 times the square root of 2 less than the time lapsed in years. if y1 and y2 represent the amount earned in dollars and t is the time lapsed in years, which system of equations correctly represents the situation?

The brain volumes (cm cubed) of 50 brains vary from a low of 904 cm cubed to a high of 1488 cm cubed. use the range rule of thumb to estimate the standard deviation s and compare the result to the exact standard deviation of 175.5 cm cubed, assuming the estimate is accurate if it is within 15 cm cubed

Which of the following is the explicit rule for a geometric sequence defined a recursive formula of a -5a for which the first term is 23?