shelly purchased 6 25’ tape mesasures and 2 chalk line reels for 78$. sean purchased one 25’ tape measure and 3 chalk line reels from the same store $29. what was the price of each 25’ tape measure and each chalk line reel

What is the perimeter of trapezoid jklm? + units 2 + + units 9 + units 9 + + units

Find the perimeter of the triangle with vertices  d(3, 4),  e(8, 7), and  f(5, 9). do not round before calculating the perimeter. after calculating the perimeter, round your answer to the nearest tenth.  

Mariah is randomly choosing three books to read from the following: 5 mysteries, 7 biographies, and 8 science fiction novels. which of these statements are true? check all that apply. there are 20c3 possible ways to choose three books to read. there are 5c3 possible ways to choose three mysteries to read. there are 15c3 possible ways to choose three books that are not all mysteries. the probability that mariah will choose 3 mysteries can be expressed as . the probability that mariah will not choose all mysteries can be expressed as 1 −