Solve the problem.You withdraw $63 a week from a savings account for 6 weeks. What is the overall change in the account?
A. -$69
B. $378
C. $69
D. -$378
Answer: D
Mathematics
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Solve the equation. Round to the nearest tenth, if necessary.A ball is dropped from a cliff that is 224 ft high. The distance S (in feet) that it falls in t seconds is given by the formula S = 16t2. How many seconds will it take for the ball to hit the ground?
A. 15 sec B. 3.7 sec C. 3136 sec D. 14.4 sec
Mathematics
Solve the inequality.16 - x2 ? 0
A. x ? -4 B. x ? -4 or x ? 4 C. x ? 4 D. -4 < x < 4
Mathematics
Find the expression that is equivalent to the given rational expression.- 
A. 
B. - 
C. - 
D. - 
Mathematics
Determine whether f(x) = x² - figure 1.png)
is even, odd, or neither.
(a) even (b) odd (c) neither even nor odd (d) both even and odd (e) not enough information to determine
Mathematics