I must ask again: What is the length of line PQ?(law of cosines)

Step-by-step explanation:

To convert the statement to decimals, we need to use the following conversion rate.

Since $1 = 100cents

Writing $6.00 to 95 cents  as a decimal, we need to writw both units in the same units.

$6.00 to 95 cents = 600cents to 95 cents

= 600cents:95cents

= 600cents/95cents

= 6.32 (to 2dp)

For 3 hours to 35 minutes

SI=ince 1 hour = 60minutes

3 hours to 35 minutes  = (3*60)minutes to 35 minutes

= 180minutes : 35 minutes

= 180minutes/35 minutes

= 5.14 (to 2dp)

For 42 inches to 2 feet

Given 12inches = 1 foot

42 inches to 2 feet = 42inches to (2*12)inches

= 42inches to (24)inches

= 42inches : 24 inches

= 42inches/24 inches

= 1.75 (to 2dp)