Solve the system by graphing.
A. (4, 3)
B. (4, -3)
C. (1, 3)
D. (-4, -3)
Answer: B
Mathematics
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Given the interest formula, I = r ? p ? t, solve the exercise for the unknown value. If necessary, round to the nearest cent, percent, or year.r = 7.8%, I = $319, t = 
year, p =
A. $16,358.97 B. $12,269.23 C. $4089.74 D. $1022.44
Mathematics
Find the whole.171 factories is 36% of what number of factories?
A. 475 B. 0.21 C. 4750 D. 21
Mathematics
Factor by grouping.40r2 + 25ry - 8xr - 5xy
A. (8r + 5y)(x - 5r) B. (5r + 8y)(5r - x) C. (8r + 5y)(5r - x) D. (8r + 5y)(5x - r)
Mathematics
Indicate the solution set for the system of inequalities
by graphing the system and shading the appropriate region.
A. 
B. 
C. 
D. 
E. None of these
Mathematics