Hace 6 años se plantó un árbol y media 4m. menos que su altura actual, se predice que dentro de 7 años medirá 16 m. y medio de altura, el triple de su altura al plantarlo. ¿Cuál es el tamaño del árbol actualmente?

What is the solution of log2  (3x  -  7)  =  3? 4 5

Thompson and thompson is a steel bolts manufacturing company. their current steel bolts have a mean diameter of 127 millimeters, and a variance of 36. if a random sample of 35 steel bolts is selected, what is the probability that the sample mean would differ from the population mean by greater than 0.5 millimeters? round your answer to four decimal places.

Jada has a meal in a restaurant she adds up the prices listed on the menu for everything they ordered and gets a subtotal of $42.00. after tax the total is 45.99. what percentage of the subtotal is the total?