For each of the problems below, determine if the relationship presented is an example of direct variation or not. Explain your reasoning one pound of apples costs $3.25. Five pounds of apples costs $16.25. Write at least 2 sentences. *

Find dy/dx using implicit differentiation ln(20+e^xy)=y

Human body temperatures have a mean of 98.20° f and a standard deviation of 0.62°. sally's temperature can be described by z = 1.4. what is her temperature? round your answer to the nearest hundredth. 99.07°f 97.33°f 99.60°f 100.45°f

Asmall business produces and sells balls. the fixed costs are $20 and each ball costs $4.32 to produce. each ball sells for $8.32. write the equations for the total cost, c, and the revenue, r, then use the graphing method to determine how many balls must be sold to break even.