Solve the problem.A rectangular box that is 7 in. × 5 in. × 7 in. is covered by foil. How much foil is required?
A. 119 in.2
B. 238 in.2
C. 203 in.2
D. 245 in.2
Answer: B
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Provide an appropriate response.How can you rewrite a subtraction problem to make it easier to solve? Give an example.
What will be an ideal response?
Solve.Aviva has a total of 61 coins in a jar, all of which are either dimes or nickels. The total value of the coins is $4.60. If n represents the number of nickels Aviva has, solve the following equation to find the number of nickels in the jar.
A. 30 nickels B. 35 nickels C. 31 nickels D. 32 nickels
Simplify. Assume all variables represent nonnegative values.
A. 2x
B. 
C. -2x
D. 16x
Solve the problem.If two angles are complementary, the sum of their angles is 90°. If one angle measures 23°, find the measure of the other angle.
A. 44° B. 90° C. 67° D. 157°