Simplify the expansion.(4 × 103) + (4 × 102) + (0 × 101) + (3 × 100)
A. 4403
B. 443
C. 44,030
D. 4430
Answer: A
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Solve.A projectile moves so that its position at any time t is given by the equations x = 64t and 
for t in [0, 8]. Graph the path of the projectile and find the equivalent rectangular equation. Use the window [0, 700] by [0, 400]. 
A. 
y = 2x - 
x2
B. 
y = 2x - 
x2
C. 
y = -0.3x - 
x2
D. 
y = 2x - 
x2
A small corporation borrowed $800,000 to expand its line of toys. Some of the money was borrowed at 8%, some at 9%, and some at 10%. How much was borrowed at each rate if the annual interest owed was $67,400 and the amount borrowed at 8% was five times the amount borrowed at 10%? ?
A. $575,000 at 8%$110,000 at 9%$115,000 at 10% B. $575,000 at 8%$115,000 at 9%$115,000 at 9% C. $575,000 at 9%$110,000 at 8%$115,000 at 10% D. $575,000 at 8%$115,000 at 9%$110,000 at 10% E. $575,000 at 8%$115,000 at 9%$115,000 at 10%
A welder needs to complete 130 welds. If 96 have been completed so far, what is the percentage completed? Round to the nearest tenth of a percent if necessary.
A. 13.5% B. 94.2% C. 68.3% D. 27.1% E. 73.8%
Solve the compound inequality and graph the solution set on a number line. Except for the empty set, express the solution set in interval notation.-4x + 1 ? 9 or 6x + 3 ? -21
A. [-2,?)
B. [-4, ?)
C. (-?, ?)
D. [-4, -2]