Subtract.-7 - (-7)
A. -7
B. -14
C. 14
D. 0
Answer: D
Mathematics
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Perform the calculation.90° - 38°21'
A. 52°21' B. 51°39' C. 51°21' D. 52°39'
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If the line passing through the points (1, a) and (2, -8) is parallel to the line passing through the points (9, 8) and (2, a + 10), what is the value of a? ? a = __________
Fill in the blank(s) with the appropriate word(s).
Mathematics
Determine if the equations in the given pair are equivalent. Each equation has only one solution.2(a - 5) = 4a - 10 and a = 0
A. Equivalent B. Not equivalent
Mathematics
Find the missing factor.15x10 = 5x5 ? ?
A. 3x10 B. x5 C. 3x5 D. 15x5
Mathematics