(1) Jeremy’s bedroom has two doors leading into the hallway. His
house has four doors leading to the outside. Using the doorways,
in how many different ways can Jeremy leave his room and go outside?(1) 8 (3) 5
(2) 6 (4) 4
(2) The mass of an orchid seed is approximately 0.0000035 gram.
Written in scientific notation, that mass is equivalent to 3.5 × 10n.
What is the value of n?
(1) –8 (3) –6
(2) –7 (4) –5
(3) A cake recipe calls for 1.5 cups of milk and 3 cups of flour. Seth
made a mistake and used 5 cups of flour. How many cups of milk
should he use to keep the proportions correct?
(1) 1.75 (3) 2.25
(2) 2 (4) 2.5
(4) If –2x + 3 = 7 and 3x + 1 = 5 + y, the value of y is
(1) 1 (3) –10
(2) 0 (4) 10
