Classify as true or false, assuming that a, b, c, and d are whole numbers and d ? 0.If d
, then d
or d
.
A. True
B. False
Answer: B
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Write an equivalent sentence for the statement.If the box is in the mail, then it should be here by tomorrow. (Hint: Use the fact that 
is equivalent to 
A. If the box is in the mail, then it should not be here by tomorrow. B. The box is not in the mail or it should be here by tomorrow. C. The box is not in the mail and it should not be here by tomorrow. D. The box is in the mail so it should be here by tomorrow.
Solve the problem.A person standing close to the edge on top of a 128-foot building throws a baseball vertically upward. The quadratic function 
models the ball's height above the ground, 
in feet, t seconds after it was thrown. How many seconds does it take until the ball finally hits the ground? Round to the nearest tenth of a second if necessary.
A. 5.5 sec B. 1.5 sec C. 2 sec D. 192 sec
Solve the problem.On a map, the length of a nature-center trail is 7.2 centimeters. If the scale is 1 centimeters to 25 kilometers, what is the actual length of the trail? Round to the nearest tenth when necessary.
A. 180 km B. 181 km C. 184 km D. 360 km
Solve. Write the answer in simplest form.Miara is saving 
of her monthly income of $5418 for retirement. How much money is she setting aside each month for retirement?
A. $25,284 B. $129 C. $387 D. $1161