Translate the sentence into an equation and solve it.If four more than a number is equal to fifteen, what is the number?
A. 4 + n = 15, n = -11
B. n = 15 + 4, n = 19
C. n + 4 = 15, n = 11
D. 4 - n = 15, n = -11
Answer: C
Mathematics
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Multiply.(2x + 9)(3x + 10)
A. 5x2 + 47x + 47 B. 6x2 + 47x + 90 C. 6x2 + 47x + 47 D. 5x2 + 47x + 90
Mathematics
Solve using the substitution method. Use a graphing calculator to check your answer. 4x - 7y = -243x + 5y = 64
A. (-8, 8) B. (8, 8) C. (-3, -5) D. No solution
Mathematics
Find the perimeter and area of the figure.A rectangle 2 ft by 9 ft
A. P = 14 ft, A = 18 ft2 B. P = 8 ft, A = 36 ft2 C. P = 11 ft, A = 36 ft2 D. P = 22 ft, A = 18 ft2
Mathematics