Gina is making pancakes for breakfast. each batch of pancakes calls for 1/4 of a teaspoon of salt. gina has 9/10 of a teaspoon of salt left. how many batches of pancakes can she make?

What basic trigonometric identity would you use to verify that csc x sec x cot x = csc^(2)x

Find the difference (8ab+a+2) - (3ab+6)

An initial investment of $100 is now valued at $150. the annual interest rate is 5%, compounded continuously. the equation 100e0.05t = 150 represents the situation, where t is the number of years the money has been invested. about how long has the money been invested? use your calculator and round to the nearest whole number. years