Use your calculator to work out the following a) 5P3
b) 8P4
c) 12P8
d) 7C2
e) 12C8

Mary used 1/7 of a spool of ribbon to complete 4 projects. she used the same amount of ribbon on each project. how much ribbon did she use on each project?

What are the solutions of the equation? 16x^2 + 24x + 5 = 5 a. 1/4, 5/4 b. -1/4, -5/4 c. -1/4, 5/4 d. 1/4 , -5/4

Anna is constructing a line segment that is congruent to another segment ab. for the construction, which tool should be used to mesure segment ab