Select all the equations that do not have a real solution.
o x2 = 49
o 2x2 = - 128
3x2 - 16 = 32
2x2 + 36 = 18
o x2 + x + 1 = 0

Steve wants to develop a way to find the total cost of any item including sales tax. the sales tax in his city is 6%. his friend jenna writes the expression x + 6x where x is the cost of the item. explain whether her expression is correct based on the situation.

42. if 20 men can eat 200 kg of wheat in 40 days, then 10 men can eat 300 kg of wheat in how many days? a) 120 days b) 60 days c) 80 days d) none of these

What is the measure of angle x? 37° 82° x°