Calculate the mass of 245 mL of benzene if the density of benzene is 0.8765 g/mL.

Customers at an ice-cream shop took a survey .the results showed that 144 customers rated the shop as being "very satisfactory ."this number represented 45%of the total nunber of customers who took the survey

Part a : solve -vp + 40 < 65 for v part b : solve 7w - 3r = 15 for r show your work .

Write the expression as a single natural logarithm. 2 in a - 4 in y