Solve the problem.A rock is thrown vertically upward from the surface of an airless planet. It reaches a height of 
meters in t seconds. How high does the rock go? How long does it take the rock to reach its highest point?
A. 4680 m, 40 sec
B. 2400 m, 40 sec
C. 1200 m, 20 sec
D. 2380 m, 20 sec
Answer: C
Mathematics
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Identify the following as an equation or an expression.m = 12 - 9m
A. Equation B. Expression
Mathematics
Write the expression in terms of sine and cosine, and simplify so that no quotients appear in the final expression.tan2? csc2?
A. sin ? B. tan2? C. cos3? D. sec2?
Mathematics
Solve the problem.How much will it cost to carpet a rectangular room measuring 19 ft by 13 ft if carpeting costs $16.00 per square yard?
A. $439.11 B. $1317.33 C. $329.33 D. $3952.00
Mathematics
Factor the difference of two squares.(16x4 - 81)
A. (4x2 + 9)(4x2 - 9) B. (4x2 + 9)(2x + 3)(2x - 3) C. (2x + 3)2(2x - 3)2 D. (4x2 + 9)(4x2 + 9)
Mathematics