Multiply.(5x + 1)(4x - 6)
A. 9x2 - 26x - 6
B. 20x2 - 26x - 6
C. 20x2 - 26x - 26
D. 9x2 - 26x - 26
Answer: B
Mathematics
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Use an Euler diagram to determine whether the syllogism is valid or invalid.All tigers are felines.All felines are mammals.All mammals nurse their young.? All tigers nurse their young.
A. Invalid B. Valid
Mathematics
Solve.20x(x - 5) + 40 = -55(2x - 1) + 15
A. -5, 
B. -6, 1
C. - 1, 
D. - 
, 1
Mathematics
Write the expression in the form a + bi, where a and b are real numbers.
(
+ 
)
A. 10 - 20i B. 20 + 10i C. -20 - 10i D. -10 + 20i
Mathematics
The lengths of one leg, a, and the hypotenuse, c, of a right triangle are given. Find the length of the remaining leg.a = 20, c = 52
A. 52 B. 38 C. 20 D. 48
Mathematics