Solve the problem.A man earned $3000 the first year he worked. If he received a raise of $600 at the end of each year, what was his salary during the 15th year?
A. $8400
B. $11,400
C. $3000
D. $12,000
Answer: B
Mathematics
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Solve the problem.If u = -5i - 3j + 4j, v = 2i - 9j + 7k and w = 2i - 4j - 10k, evaluate (u × v) ? w.
A. -448 B. 98 C. -676 D. -712
Mathematics
Solve.A stone is dropped from a tower that is 770 feet high. The formula 
describes the stone's height above the ground, h, in feet, t seconds after it was dropped. What is the stone's height 4 seconds after it is released?
A. 489 ft B. 514 ft C. 539 ft D. 524 ft
Mathematics
Graph the function.f(x) = 
A. 
B. 
C. 
D. 
Mathematics
True or False?
1. cos x + sin x tan x = csc x
2. sin(x - y) = sin x - sin y
3.  figure 1.png)
Mathematics