Write the expression in the standard form a + bi.-5i(-3 + 2i)
A. 15i - 10i2
B. -10 + 15i
C. 10 + 15i
D. 15i + 10i2
Answer: C
Mathematics
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Find the derivative.y = x1/5
A. 
x-1/5
B. 
x-4/5
C. - 
x-6/5
D. 
x6/5
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Find the equation of the line passing through the two points.(6, 0) and (-2, -7)
A. y = - 
x - 
B. y = 
x - 
C. y = - 
x - 
D. y = 
x - 
Mathematics
Solve the problem.A biologist recorded 3 snakes on 16 acres in one area and 8 snakes on 28 acres in another area. Let y be the number of snakes in x acres. Write a linear equation for the number of snakes.
A. y = 
x - 
B. y = 
x + 
C. y = 
x + 
D. y = - 
x + 
Mathematics
Solve the problem.Suppose that the unit price, p, for x units of a product can be illustrated by the given graph. Is p(x) continuous at 
A. No; yes; no B. No; no; no C. Yes; no; yes D. No; yes; yes
Mathematics