Decide if the given number is a solution to the given equation.9x2 + 7 = 61; 3
A. No
B. Yes
Answer: A
Mathematics
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The floor of a lake slopes downward in a straight line. The depth 21 feet from shore is 18 feet. What is the depth 35 feet from shore? ?
A. 40.83 feet B. 30.12 feet C. 30.00 feet D. 40.95 feet
Mathematics
The graph of a function is given. Choose the answer that represents the graph of its derivative.
A. 
B. 
C. 
D. 
Mathematics
Draw the given angle in standard position. Draw an arrow representing the correct amount of rotation. Find the measure of two other angles, one positive and one negative, coterminal with the given angle.130°
A. 310° and -50°
B. 310° and -50°
C. 490° and -230°
D. 490° and -230°
Mathematics
Solve the polynomial equation.x3 - 9x2 + x - 9 = 0
A. x = 9, -i, i B. x = -9, -i, i C. x = -9, 9, i D. x = -1, 1, 9
Mathematics