Hint: Use Law of Cosine
Determine the approximate value of c.
Law of Cosines
Standard Form
2
.2-2bccoul)
6 cm
2.
.
-2acco
cowo-
E SUN
2.2.3-2
)
COMC)20e
12
a.
b.
9.24 cm
10.8 cm
c. 11.3 cm
d. 14.0 cm

Drag each scenario to show whether the final result will be greater than the original value, less than the original value, or the same as the original value. 1. a 25% decrease followed by a 50% increase 2. a 20% decrease followed by a 25% increase

Ac contractor is building a new subdivision outside of the city. he has started work on the first street and is planning on the other streets to run in a direction parallel to the first. the second street will pass through (-2,4) find the equation of the location of the second street in standard form. a.2x+y=2 b. x-y=2 c.2x+y=2 d.x+y=2

Guests at an amusement park must be at least 54 inches tall to be able to ride the roller coaster. which graph represents the set of heights that satisfy this requirement?