Solve. Write the answer as a mixed number in simplest form.Ellen is knitting a scarf with one 2
-inch blue stripe, one 3 -inch green stripe, and one 2
-inch white stripe. How wide is the scarf?
A. 
in.
B. 
in.
C. 7
in.
D. 2
in.
Answer: C
Mathematics
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Solve the problem.V = 
?r3, where r is the radius, in centimeters. By approximately how much does the volume of a sphere increase when the radius is increased from 1.0 cm to 1.1 cm? (Use 3.14 for ?.)
A. 1.3 cm3 B. 1.5 cm3 C. 0.1 cm3 D. 1.1 cm3
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Solve the equation.5(2z - 5) = 9(z + 2)
A. -2 B. -7 C. 7 D. 43
Mathematics
Simplify the expression.
A. x
B. x11 - x10
C. 
D. x21
Mathematics
Solve the problem.If Gloria received a 6 percent raise and is now making $24,380 a year, what was her salary before the raise? Round to the nearest dollar if necessary.
A. $24,000 B. $22,917 C. $23,000 D. $22,380
Mathematics