Evaluate each algebraic expression.
64-9p for p = 4, o, -3
-w + 8.5 for w = 12, -1.5, 5.3
46+ (-2k) for k = 3, 23, -2

Keisha makes a large sandwich for a family picnic she takes 1/2 of them the sandwich to the picnic her family eats 3/8 of the whole sandwich what fraction of the whole sandwich does keisha bring back from the picnic

What is the result of adding the system of equations? 2x+y=4 3x-y=6

If abcde is reflected over the x-axis and then translated 3 units left, what are the new coordinates d? are he re