Which of the first three prime numbers - 2, 3 and 5 - are factors of the following? Use the divisibility tests for 2, 3, and 5.280,529
A. 5
B. 2, 3
C. none
D. 3, 5
Answer: C
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Provide an appropriate response.Fred and Sue want to fence in a rectangular area in their yard for a vegetable garden. Suppose that they have 30 feet of fencing. Sue tells Fred that she wants to put up the fence in such a way as to obtain a rectangular garden with the largest possible perimeter. Fred replies that the perimeter will be the same for any rectangular garden that they construct as long as they use all 
of the fencing. Is Fred correct? Explain.
What will be an ideal response?
Find all the factors of the number.110
A. 2, 5, 10, 11, 55, 110 B. 1, 2, 5, 10, 11, 22, 55, 110 C. 1, 2, 4, 5, 10, 11, 22, 55, 110 D. 1, 2, 5, 10, 11, 22, 110
The sum of the measures of two angles of a triangle is 
the measure of the third angle. The measure of the second angle is 
than the measure of the third angle. Find the measures of the three angles.
A. The first angle is 
, the second angle is 
, and the third angle is 
.
B. The first angle is 
, the second angle is 
, and the third angle is 
.
C. The first angle is 
, the second angle is 
, and the third angle is 
.
D. The first angle is 
, the second angle is 
, and the third angle is 
.
E. The first angle is 
, the second angle is 
, and the third angle is 
.
Write an equivalent expression. Use a commutative law.y + 6
A. 6(y + 1) B. 6y C. y6 D. 6 + y