Triangles RST and MNO are similar.What is the length of line segment MO?
Answer(s): B
The dimensions of triangle MNO are double those of triangle RST. Line segment RT is 5 cm; therefore, line segment MO is 10 cm.
Which number sentence is true?
Answer(s): E
The farther to the right the digits go, the smaller the number.
Which of the following means 5n + 7 = 17?
Answer(s): A
The expression 5n means 5 times n. The addition sign before the 7 indicates the phrase more than.
Use the diagram to answer.In the diagram, lines a, b, and c intersect at point O.Which of the following are NOT adjacent angles?
Angles 1 and 4 are the only ones NOT adjacent to each other.
What is the value of y when x = 3 and y = 5 + 4x?
Answer(s): D
Substitute 3 for x in the expression 5 + 4x to determine that y equals 17
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