Question: eight trials are simulated. the results are shown in the table.
112 106 105 110
109 108 111 105
what is the estimated margin of error, using standard deviation? round to two decimal places.

Find the missing factor in exponential form 48^2=3^2 • ?

Sam claims that cos x =sin y if x and y are congruent angels. is sam correct ?

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.