Answer the question.True or False? If the numerator and the denominator of a fraction are the same prime number, then the fraction is always in lowest terms.
A. False
B. True
Answer: A
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Solve the following system of equations by graphing. Round your answers to two decimal places.
What will be an ideal response?
Evaluate the integral.
dx
A. -1 B. 1 - cos 1 C. 1 + cos 1 D. 1
Solve.A plot of land in the shape of a right triangle is formed by the intersection of three roads. A developer wants to purchase the land, which is priced at $7200 per acre. Calculate the cost of the land, given the dimensions shown in the figure. (Hint: One acre = 43,560 square feet. Round to the nearest hundred dollars.)
A. $18,200 B. $17,600 C. $17,400 D. $18,900
Let src="https://sciemce.com/media/3/ppg__cognero__6.3_Area_and_the_Definite_Integral__media__2d7b0878-d6f3-4b8d-8f39-9351e5640fbb.PNG" class="wirisformula" align="middle" style="vertical-align: middle;" data-wiris-created="true" varid="variable_id_field" variablename="impvar_99bfd4aeda6e49b7a86aabe0f" />.
?
A. 12.2 sq units
B. 45.9375 sq units
C. 48.75 sq units
D. 43.2 sq units
E. 35.4375 sq units
and compute the Riemann sum of f over the interval 
, choosing the representative points to be the left endpoints of the subintervals, using two subintervals of equal length