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
Mathematics
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