( 5
x
2
−
3
x
)
+
(
4
x
2
+
7
x
−
1
)
−
(
2
x
2
+
4
x
)

Aresearch company wants to test the claim that a new multivitamin to improve short term memory. state the objective of the experiment, suggest a population, determine the experimental and control groups, and describe a sample procedure.

Alex drew a circle with right triangle prq inscribed in it, as shown below: the figure shows a circle with points p, q, and r on it forming an inscribed triangle. side pq is a chord through the center and angle r is a right angle. arc qr measures 80 degrees.

What is the result of converting 60 ounces to pounds remember there are 16 ounces in a pound