Solve.A projectile is thrown upward so that its distance above the ground after t seconds is 
After how many seconds does it reach its maximum height? Round to the nearest second.
A. 30 sec
B. 12 sec
C. 7 sec
D. 22.5 sec
Answer: B
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Write the number in words.400,369
A. forty thousand, three hundred sixty-nine B. four hundred thousand, three hundred sixty-nine C. four hundred three thousand, sixty-nine D. four thousand, three hundred sixty-nine
In the statement, fill in the first blank with either solid or dashed. Fill in the second blank with above or below.The boundary of the graph of y > -3x + 
will be a 
line, and the shading will be 
the line.
A. solid; below B. dashed; below C. dashed; above D. solid; above
Graph the function.y = -cos ?x
A. 
B. 
C. 
D. 
Solve the problem.The diagonal of the floor of a rectangular office cubicle is 2 ft longer than the length of the cubicle and 5 ft longer than twice the width. Find the dimensions of the cubicle. Round to the nearest tenth, if necessary.
A. width = 2 ft, length = 9 ft B. width = 3.9 ft, length = 9.7 ft C. width = 4 ft, length = 11 ft D. width = 9.7 ft, length = 22.4 ft