Solve the differential equation subject to the initial condition.
+ y = 2ex; y(0) = 19
A. y = 4e2 + 20e-x
B. y = 19ex
C. y = ex + 18e-x
D. y = 2ex + 16e-x
Answer: C
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Multiply.3(-9)
A. -27 B. -127 C. -30 D. -270
Solve. Try factoring first. If factoring is not possible or is difficult, use the quadratic formula.5x2 + 12x = - 6
A. 
B. 
C. 
D. 
Solve the problem.The two equal sides of an isosceles triangle measure three feet. Let the angle between the sides measure ?. Find the area A of the triangle as a function of 
. The answer may include more than one trigonometric function.
What will be an ideal response?
Write an equation to describe the situation.A student allows 
of her monthly income for books and 
of her monthly income for clothing. If she budgets a total of $300 per month for books and clothing, what is her monthly income, x?
A. 
x + 
x = 300
B. 
x = 
x + 300
C. 
? 300 + 
? 300 = x
D. 10x + 8x = 300