Page 77 - Algebra 1

20. Probability Describe each of the events below as impossible, unlikely, as likely as (Inv.1) not, likely, or certain.
a. Joshua rolls an odd number on a standard number cube.
b. Maria’s birthday is September 31st.
c. The basketball team has won 11 of their last 12 games. The team will win the next game.
Simplify each expression.
*21.
(11)
23.
(5)
*25.
(11)
26.
(1)
27.
(10)
*28.
(8)
29.
(6)
30.
(9)
5(-2)
-| -15 + 5 | (3)(5)
*22. (-3)(-5) (11)
*24. (-3)(-6)(-2)(5) (11)
Geometry Can the perimeter of a rectangle be any integer value?
Model Mary is playing a board game using a number cube to decide the number
of spaces she moves. She moves forward on an even number and backward on an odd number. Her first 5 rolls were 4, 2, 3, 6, 1.
a. Model her moves on a number line with zero being the starting point.
b. Using addition and subtraction, write an expression showing her moves.
c. At a the end of 5 rolls, how many spaces is she away from the starting point?
Analyze Jan bought 2 yards of ribbon. She needs 64 inches of ribbon to make a bow. Does she have enough ribbon? Explain your answer.
Meteorology A meteorologist reported the day’s low temperature of -5°F at 7 a.m. and the day’s high temperature of 20°F at 5 p.m. How much did the temperature rise from 7 a.m. to 5 p.m.?
Phone Charges Fast Talk Phone Company charges an initial fee of $20 plus 10¢ per minute used. The total bill is expressed as 20 + 0.10m, where m is the minutes used. If 200 minutes are used, what is the amount of the bill?
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Saxon Algebra 1