Solve the quadratic equation by using the quadratic formula. If the equation has no real solutions, write "no real-number solutions."4x2 + 10x = - 3
A. 
B. 
C. 
D. no real-number solutions
Answer: C
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Find the indicated measure of central tendency.Bill kept track of the number of hours he spent exercising each week. The results for four months are shown below. Find the mean number of hours Bill spent exercising per week. Round your answer to two decimal places.6.70?6.70?7.30?9.00?6.50?6.706.90?7.30?7.20?6.70?9.00?8.107.40?6.70?6.70?8.20?6.50?6.90
A. 7.46 B. 6.87 C. 7.68 D. 7.25
Use conversion factors to convert the units of measure.32 quarts to gallons
A. 128 gal. B. 64 gal. C. 16 gal. D. 8 gal.
Evaluate the integral.
dt
A. -cos 
+ C
B. 6 cos 
+ C
C. - 
cos 
+ C
D. 
cos 
+ C
For the polynomial, one zero is given. Find all others.P(x) = x3 + 5x2 - 12x + 14; 1 + i
A. 1 - i, 7 B. -7, 7 C. 1 - i, 7i D. 1 - i, -7