Solve.If a rock falls from a height of 80 meters above the ground, the height H (in meters) after x seconds is approximately H = 80 - 4.9x2. What is the height of the rock after 2 seconds? (Round your answer to the nearest tenth.)
A. -16.04 m
B. 60.4 m
C. 300.4 m
D. 70.2 m
Answer: B
Mathematics
You might also like to view...
Evaluate. Simplify if possible.- 
- 
A. - 
B. - 
C. 
D. - 
Mathematics
Subtract. Simplify, if possible.11
- 
A. 10
B. 11
C. 10
D. 9
Mathematics
Add.233,748,401 + 19,066
A. 233,767,467 B. 233,767,457 C. 233,768,467 D. 233,767,567
Mathematics
Perform the indicated elementary row operations in the stated order.
; 
A. 
B. 
C. 
D. 
Mathematics