Sally owns a souvenir shop that is open 5 days a week. One week she sold about 150 T-shirts. Which of the following sets of numbers, when rounded to the nearest 10, could represent the number of shirts sold each day?

After being rearranged and simplified, which of the following equations could be solved using the quadratic formula? check all that apply. a. 9% + 3x2 = 14 + x-1 b. -x+ + 4x + 7 = -32-9 c. 5x + 4 = 3x4 - 2 d. 2x2 + x2 + x = 30

The ratio pv to nrt is plotted against pressure for ch4 at 0°c and 200°c. why does the curve for 0°c drop below the horizontal line for an ideal gas whereas the curve for 200°c does not?

For what values of the variable x is the expression square root of 7x+14+ square root of 7-x a real number?