9 ✓ 8
vo
✓3
4
✓ 5
✓6
Suppose we want to choose 6 objects, without replacement, from 9 distinct objects.
(a) How many ways can this be done, if the order of the choices is not taken into consideration?
Х
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(b) How many ways can this be done, if the order of the choices is taken into consideration?

The focus of parabola is (-4, -5), and its directrix is y= -1. fill in the missing terms and signs in parabolas equation in standard form

Multiplying fractions by whole number 5 x 1/3=?

Match the following reasons with the statements given to create the proof. 1. do = ob, ao = oc sas 2. doc = aob given 3. triangle cod congruent to triangle aob vertical angles are equal. 4. 1 = 2, ab = dc if two sides = and ||, then a parallelogram. 5. ab||dc if alternate interior angles =, then lines parallel. 6. abcd is a parallelogram cpcte