Solve the problem.If an object is propelled upward from a height of 144 feet at an initial velocity of 128 feet per second, then its height h after t seconds is given by the equation 
After how many seconds does the object hit the ground?
A. 11 sec
B. 8 sec
C. 4.5 sec
D. 9 sec
Answer: D
Mathematics
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Perform the indicated operations. (Remember that the order of operations is to multiply or divide from left to right.)
÷ 
÷ 
A. 
B. 
C. 
D. 
Mathematics
The associative and commutative properties for addition allow for three or more integers to be added in any order. Find the given sum.15 + (-4) + 8 + (-7)
A. 10 B. -4 C. 12 D. 34
Mathematics
Which organization hosts professional development conferences for teachers?
a. NCTM b. The College Board c. ASCD d. All of the above
Mathematics
The polar coordinates of a point are given. Find the rectangular coordinates of the point.(7.7, 5.5) Round the rectangular coordinates to two decimal places.
A. (7.66, 0.74) B. (5.46, -5.43) C. (7.66, -0.74) D. (5.46, 5.43)
Mathematics