Write expanded notation.The projected population in 2030 for a certain country is 280,508.
A. 28 ten thousands + 0 thousands + 5 hundreds + 0 tens + 8 ones
B. 2 hundred thousands + 8 ten thousands + 0 thousands + 5 hundreds + 0 tens + 8 ones
C. 2 hundred thousands + 0 ten thousands+ 8 thousands + 5 hundreds + 0 tens + 8 ones
D. 2 hundred thousands + 8 ten thousands + 5 thousands + 0 hundreds + 0 tens + 8 ones
Answer: B
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Parametrize the surface S.S is the portion of the paraboloid z = 2x2 + 2y2 that lies between z = 3 and z = 7
What will be an ideal response?
Factor the trinomial.n4 - 6n2 - 16
A. (n2 - 2)(n2 + 8) B. (n2 + 6n + 2)(n2 - n - 8) C. (n2 - 2)(n2 - 8) D. (n2 + 2)(n2 - 8)
Set up the linear programming problem.The Jillson's have up to $75,000 to invest. They decide that they want to have at least $40,000 invested in stable bonds yielding 6% and that no more than $20,000 should be invested in more volatile bonds yielding 12%.(a) Using x to denote the amount of money invested in the stable bonds and y the amount invested in the more volatile bonds, write a system of linear inequalities that describe the possible amounts of each investment.(b) Graph the system and label the corner points. 
What will be an ideal response?
Solve the equation.
x+1= 
x-1
A. 
B. 
C. 
D. 