Help me please this subject is mathematics. Darius is gardening and has 20 pounds of potting soil. He uses 11.85 pounds in one flower bed. How much does he have left to use for the remainder of his yard?

Which of the following best describes the graph below? + + 2 + 3 + 4 1 o a. it is not a function. o b. it is a one-to-one function. o c. it is a many-to-one function. o d. it is a function, but it is not one-to-one.

In the equation sqrt(n+5)-sqrt(11-10)=1. what is the value of n

The amount of data left on the cell phone six gb for 81.5 gb of data is used how much data is available at the beginning of the cycle