Write and solve an equation to answer the question. Round percent to the nearest thousandth, if necessary.A chemical solution contains 2% potassium. How much potassium is in 
of solution?
A. 0.09 mL
B. 0.9 mL
C. 22.5 mL
D. 225 mL
Answer: A
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Use a finite approximation to estimate the area under the graph of the given function on the stated interval as instructed.f(x) = 
between x = 1 and x = 7 using a lower sum with two rectangles of equal width.
A. 1.179 B. 0.373 C. 4.125 D. 0.124
Provide an appropriate response.Simple interest is interest earned on interest.
A. True B. False
Write an equation using the variable x to represent any unknown quantity. Do not solve the equation.Bob is saving to buy a car. The total amount that he needs is $11,000. The amount that he has saved so far is $5000. Write an equation for which the solution is the amount that Bob needs.
A. 5000 - x = 11,000 B. 11,000 - x = 5000 C. 5000 + x = 11,000 D. 11,000 + x = 5000
Write a slope-intercept equation for a line with the given characteristics.m = - 
, passes through (-3, -7)
A. y = - 
x - 
B. y = - 
x + 
C. y = - 
x + 
D. y = 
x + 