Simplify the expression. First use the distributive property to remove any parentheses.7(y + 9)
A. 7y + 9
B. 7y + 16
C. 7y + 63
D. y + 63
Answer: C
Mathematics
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Write the expression in the standard form a + bi.
A. 1 + i B. -1 + i C. -1 - i D. -1 + 2i
Mathematics
Write using exponential notation.20 ? 20 ? 20 ? 20 ? 20
A. 520 B. 5 ? 20 C. 205 D. 5 ? 520
Mathematics
Find an equation that matches the parabola's graph.
A. y = (x - 4)2 - 2 B. y = (x + 4)2 - 2 C. x = (y - 4)2 + 2 D. x = (y + 4)2 - 2
Mathematics
Solve the equation. First simplify the expression by combining like terms.10y = 4y + 10 + 5y
A. { -100 } B. { -10 } C. { 10 } D. { 100 }
Mathematics