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B. Solve the following 1. If \( r \) varies directly as \( s \) and inversely as the square of \( u \), and \( r=2 \) when \( s=18 \) and \( u=2 \), find: a. \( r \) when \( u=3 \) and \( s=27 \). b. \( s \) when \( u=2 \) and \( r=4 \). c. \( u \) when \( r=1 \) and \( s=36 \). 2. \( p \) varies directly as \( q \) and the square of \( r \) and inversely as \( s \). a. Write the equation of the relation. b. Find \( k \) if \( p=40 \) when \( q=5, r=4 \) and \( s=6 \). c. Find \( p \) when \( q=8, r=6 \) and \( s=9 \). d. Find \( s \) when \( p=10, q=5 \) and \( r=2 \).

          B. Solve the following
1. If \( r \) varies directly as \( s \) and inversely as the square of \( u \), and \( r=2 \) when \( s=18 \) and \( u=2 \), find:
a. \( r \) when \( u=3 \) and \( s=27 \).
b. \( s \) when \( u=2 \) and \( r=4 \).
c. \( u \) when \( r=1 \) and \( s=36 \).
2. \( p \) varies directly as \( q \) and the square of \( r \) and inversely as \( s \).
a. Write the equation of the relation.
b. Find \( k \) if \( p=40 \) when \( q=5, r=4 \) and \( s=6 \).
c. Find \( p \) when \( q=8, r=6 \) and \( s=9 \).
d. Find \( s \) when \( p=10, q=5 \) and \( r=2 \).

B. Solve the following
1. If r varies directly as s and inversely as the square of u, and r=2 when s=18 and u=2, find:
a. r when u=3 and s=27.
b. s when u=2 and r=4.
c. u when r=1 and s=36.
2. p varies directly as q and the square of r and inversely as s.
a. Write the equation of the relation.
b. Find k if p=40 when q=5, r=4 and s=6.
c. Find p when q=8, r=6 and s=9.
d. Find s when p=10, q=5 and r=2.

Added by Lisa B.

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