List factors to find the greatest common factor (GCF) of the numbers.20 and 30
A. 60
B. 20
C. 30
D. 10
Answer: D
Mathematics
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Determine whether or not the triangles are similar.
A. Similar B. Not similar
Mathematics
Multiply the polynomials. Express the answer as a single polynomial in standard form.(7x - 9)2
A. 49x2 + 81 B. 7x2 + 81 C. 7x2 - 126x + 81 D. 49x2 - 126x + 81
Mathematics
Solve the problem.A square plywood platform has a perimeter that is 11 times the length of a side, decreased by 35. Find the length of a side.
A. 5 B. 7 C. 1 D. 12
Mathematics
Find an equation for the indicated ellipse.Foci (0, ±2) and vertices (0, ±4)
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Mathematics