Estimate the value of the quantity.The velocity of a projectile fired straight into the air is given every half second. Use right endpoints to estimate the distance the projectile travelled in four seconds.
A. 895.6 m
B. 467.4 m
C. 934.8 m
D. 447.8 m
Answer: D
Mathematics
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Use the power rules for exponents to simplify. Write the answer in exponential form.(54)5
A. 259 B. 2520 C. 520 D. 59
Mathematics
Find the vertex of the parabola.(x + 2)2 = -32(y - 5)
A. (-2, -3) B. (5, -2) C. (-2, -5) D. (-2, 5)
Mathematics
Add and subtract as indicated. Simplify and leave the numerator and denominator in your answer in factored form.
+ 
A. 
B. 
C. 
D. 
Mathematics
Add or subtract. Simplify by collecting like radical terms, if possible.-2x
+ x
- 2y
A. (-2xy + x2 - 2y2 )
B. (-2xy2 + x3 - 2y3 )
C. (-2x2y + x2 - 2xy2 )
D. (-2x + x2 - 2y2 )
Mathematics