Evaluate this expression. 1.7 - (-0.8) + 4.013
A)
-4.927
B)
5.737
6.513
D)
7.531

Ineed to learn how to solve this problem

How many real-number solutions does the equation have? -4x^2 + 10x + 6 = 0 a. no solutions b. two solutions c. infinitely many solutions d. one solution

Asurvey of 45 teens found that they spent an average of 25.6 hours per week in front of a screen (television, computer, tablet, phone, based on the survey’s sample mean, which value could be the population mean? 2.3 hours 27.4 hours 75.3 hours 41.5 hours